4970020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 12700800

約数和(自身を除く): 7730780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 41, 44, 55, 58, 76, 82, 95, 110, 116, 145, 164, 190, 205, 209, 220, 290, 319, 380, 410, 418, 451, 551, 580, 638, 779, 820, 836, 902, 1045, 1102, 1189, 1276, 1558, 1595, 1804, 2090, 2204, 2255, 2378, 2755, 3116, 3190, 3895, 4180, 4510, 4756, 5510, 5945, 6061, 6380, 7790, 8569, 9020, 11020, 11890, 12122, 13079, 15580, 17138, 22591, 23780, 24244, 26158, 30305, 34276, 42845, 45182, 52316, 60610, 65395, 85690, 90364, 112955, 121220, 130790, 171380, 225910, 248501, 261580, 451820, 497002, 994004, 1242505, 2485010, 4970020]

約数ペア:

[(1, 4970020), (2, 2485010), (4, 1242505), (5, 994004), (10, 497002), (11, 451820), (19, 261580), (20, 248501), (22, 225910), (29, 171380), (38, 130790), (41, 121220), (44, 112955), (55, 90364), (58, 85690), (76, 65395), (82, 60610), (95, 52316), (110, 45182), (116, 42845), (145, 34276), (164, 30305), (190, 26158), (205, 24244), (209, 23780), (220, 22591), (290, 17138), (319, 15580), (380, 13079), (410, 12122), (418, 11890), (451, 11020), (551, 9020), (580, 8569), (638, 7790), (779, 6380), (820, 6061), (836, 5945), (902, 5510), (1045, 4756), (1102, 4510), (1189, 4180), (1276, 3895), (1558, 3190), (1595, 3116), (1804, 2755), (2090, 2378), (2204, 2255)]