278492500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 771503040

約数和(自身を除く): 493010540

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 25, 26, 38, 41, 44, 50, 52, 55, 65, 76, 82, 95, 100, 110, 125, 130, 143, 164, 190, 205, 209, 220, 247, 250, 260, 275, 286, 325, 380, 410, 418, 451, 475, 494, 500, 533, 550, 572, 625, 650, 715, 779, 820, 836, 902, 950, 988, 1025, 1045, 1066, 1100, 1235, 1250, 1300, 1375, 1430, 1558, 1625, 1804, 1900, 2050, 2090, 2132, 2255, 2375, 2470, 2500, 2665, 2717, 2750, 2860, 3116, 3250, 3575, 3895, 4100, 4180, 4510, 4750, 4940, 5125, 5225, 5330, 5434, 5500, 5863, 6175, 6500, 6875, 7150, 7790, 8125, 8569, 9020, 9500, 10127, 10250, 10450, 10660, 10868, 11275, 11726, 11875, 12350, 13325, 13585, 13750, 14300, 15580, 16250, 17138, 17875, 19475, 20254, 20500, 20900, 22550, 23452, 23750, 24700, 25625, 26125, 26650, 27170, 27500, 29315, 30875, 32500, 34276, 35750, 38950, 40508, 42845, 45100, 47500, 50635, 51250, 52250, 53300, 54340, 56375, 58630, 61750, 66625, 67925, 71500, 77900, 85690, 89375, 97375, 101270, 102500, 104500, 111397, 112750, 117260, 123500, 130625, 133250, 135850, 146575, 154375, 171380, 178750, 194750, 202540, 214225, 222794, 225500, 253175, 261250, 266500, 271700, 281875, 293150, 308750, 333125, 339625, 357500, 389500, 428450, 445588, 486875, 506350, 522500, 556985, 563750, 586300, 617500, 666250, 679250, 732875, 856900, 973750, 1012700, 1071125, 1113970, 1127500, 1265875, 1332500, 1358500, 1465750, 1698125, 1947500, 2142250, 2227940, 2531750, 2784925, 2931500, 3396250, 3664375, 4284500, 5063500, 5355625, 5569850, 6329375, 6792500, 7328750, 10711250, 11139700, 12658750, 13924625, 14657500, 21422500, 25317500, 27849250, 55698500, 69623125, 139246250, 278492500]

約数ペア:

[(1, 278492500), (2, 139246250), (4, 69623125), (5, 55698500), (10, 27849250), (11, 25317500), (13, 21422500), (19, 14657500), (20, 13924625), (22, 12658750), (25, 11139700), (26, 10711250), (38, 7328750), (41, 6792500), (44, 6329375), (50, 5569850), (52, 5355625), (55, 5063500), (65, 4284500), (76, 3664375), (82, 3396250), (95, 2931500), (100, 2784925), (110, 2531750), (125, 2227940), (130, 2142250), (143, 1947500), (164, 1698125), (190, 1465750), (205, 1358500), (209, 1332500), (220, 1265875), (247, 1127500), (250, 1113970), (260, 1071125), (275, 1012700), (286, 973750), (325, 856900), (380, 732875), (410, 679250), (418, 666250), (451, 617500), (475, 586300), (494, 563750), (500, 556985), (533, 522500), (550, 506350), (572, 486875), (625, 445588), (650, 428450), (715, 389500), (779, 357500), (820, 339625), (836, 333125), (902, 308750), (950, 293150), (988, 281875), (1025, 271700), (1045, 266500), (1066, 261250), (1100, 253175), (1235, 225500), (1250, 222794), (1300, 214225), (1375, 202540), (1430, 194750), (1558, 178750), (1625, 171380), (1804, 154375), (1900, 146575), (2050, 135850), (2090, 133250), (2132, 130625), (2255, 123500), (2375, 117260), (2470, 112750), (2500, 111397), (2665, 104500), (2717, 102500), (2750, 101270), (2860, 97375), (3116, 89375), (3250, 85690), (3575, 77900), (3895, 71500), (4100, 67925), (4180, 66625), (4510, 61750), (4750, 58630), (4940, 56375), (5125, 54340), (5225, 53300), (5330, 52250), (5434, 51250), (5500, 50635), (5863, 47500), (6175, 45100), (6500, 42845), (6875, 40508), (7150, 38950), (7790, 35750), (8125, 34276), (8569, 32500), (9020, 30875), (9500, 29315), (10127, 27500), (10250, 27170), (10450, 26650), (10660, 26125), (10868, 25625), (11275, 24700), (11726, 23750), (11875, 23452), (12350, 22550), (13325, 20900), (13585, 20500), (13750, 20254), (14300, 19475), (15580, 17875), (16250, 17138)]