680465500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 192

約数和(自身を含む): 1808142336

約数和(自身を除く): 1127676836

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 31, 44, 50, 52, 55, 62, 65, 100, 110, 124, 125, 130, 143, 155, 220, 250, 260, 275, 286, 307, 310, 325, 341, 403, 500, 550, 572, 614, 620, 650, 682, 715, 775, 806, 1100, 1228, 1300, 1364, 1375, 1430, 1535, 1550, 1612, 1625, 1705, 2015, 2750, 2860, 3070, 3100, 3250, 3377, 3410, 3575, 3875, 3991, 4030, 4433, 5500, 6140, 6500, 6754, 6820, 7150, 7675, 7750, 7982, 8060, 8525, 8866, 9517, 10075, 13508, 14300, 15350, 15500, 15964, 16885, 17050, 17732, 17875, 19034, 19955, 20150, 22165, 30700, 33770, 34100, 35750, 38068, 38375, 39910, 40300, 42625, 43901, 44330, 47585, 50375, 67540, 71500, 76750, 79820, 84425, 85250, 87802, 88660, 95170, 99775, 100750, 104687, 110825, 123721, 153500, 168850, 170500, 175604, 190340, 199550, 201500, 209374, 219505, 221650, 237925, 247442, 337700, 399100, 418748, 422125, 439010, 443300, 475850, 494884, 498875, 523435, 554125, 618605, 844250, 878020, 951700, 997750, 1046870, 1097525, 1108250, 1189625, 1237210, 1360931, 1688500, 1995500, 2093740, 2195050, 2216500, 2379250, 2474420, 2617175, 2721862, 3093025, 4390100, 4758500, 5234350, 5443724, 5487625, 6186050, 6804655, 10468700, 10975250, 12372100, 13085875, 13609310, 15465125, 21950500, 26171750, 27218620, 30930250, 34023275, 52343500, 61860500, 68046550, 136093100, 170116375, 340232750, 680465500]

約数ペア:

[(1, 680465500), (2, 340232750), (4, 170116375), (5, 136093100), (10, 68046550), (11, 61860500), (13, 52343500), (20, 34023275), (22, 30930250), (25, 27218620), (26, 26171750), (31, 21950500), (44, 15465125), (50, 13609310), (52, 13085875), (55, 12372100), (62, 10975250), (65, 10468700), (100, 6804655), (110, 6186050), (124, 5487625), (125, 5443724), (130, 5234350), (143, 4758500), (155, 4390100), (220, 3093025), (250, 2721862), (260, 2617175), (275, 2474420), (286, 2379250), (307, 2216500), (310, 2195050), (325, 2093740), (341, 1995500), (403, 1688500), (500, 1360931), (550, 1237210), (572, 1189625), (614, 1108250), (620, 1097525), (650, 1046870), (682, 997750), (715, 951700), (775, 878020), (806, 844250), (1100, 618605), (1228, 554125), (1300, 523435), (1364, 498875), (1375, 494884), (1430, 475850), (1535, 443300), (1550, 439010), (1612, 422125), (1625, 418748), (1705, 399100), (2015, 337700), (2750, 247442), (2860, 237925), (3070, 221650), (3100, 219505), (3250, 209374), (3377, 201500), (3410, 199550), (3575, 190340), (3875, 175604), (3991, 170500), (4030, 168850), (4433, 153500), (5500, 123721), (6140, 110825), (6500, 104687), (6754, 100750), (6820, 99775), (7150, 95170), (7675, 88660), (7750, 87802), (7982, 85250), (8060, 84425), (8525, 79820), (8866, 76750), (9517, 71500), (10075, 67540), (13508, 50375), (14300, 47585), (15350, 44330), (15500, 43901), (15964, 42625), (16885, 40300), (17050, 39910), (17732, 38375), (17875, 38068), (19034, 35750), (19955, 34100), (20150, 33770), (22165, 30700)]