191389940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 474802944

約数和(自身を除く): 283413004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 73, 122, 140, 146, 244, 292, 305, 307, 365, 427, 511, 610, 614, 730, 854, 1022, 1220, 1228, 1460, 1535, 1708, 2044, 2135, 2149, 2555, 3070, 4270, 4298, 4453, 5110, 6140, 8540, 8596, 8906, 10220, 10745, 17812, 18727, 21490, 22265, 22411, 31171, 37454, 42980, 44530, 44822, 62342, 74908, 89060, 89644, 93635, 112055, 124684, 131089, 155855, 156877, 187270, 224110, 262178, 311710, 313754, 374540, 448220, 524356, 623420, 627508, 655445, 784385, 1310890, 1367071, 1568770, 2621780, 2734142, 3137540, 5468284, 6835355, 9569497, 13670710, 19138994, 27341420, 38277988, 47847485, 95694970, 191389940]

約数ペア:

[(1, 191389940), (2, 95694970), (4, 47847485), (5, 38277988), (7, 27341420), (10, 19138994), (14, 13670710), (20, 9569497), (28, 6835355), (35, 5468284), (61, 3137540), (70, 2734142), (73, 2621780), (122, 1568770), (140, 1367071), (146, 1310890), (244, 784385), (292, 655445), (305, 627508), (307, 623420), (365, 524356), (427, 448220), (511, 374540), (610, 313754), (614, 311710), (730, 262178), (854, 224110), (1022, 187270), (1220, 156877), (1228, 155855), (1460, 131089), (1535, 124684), (1708, 112055), (2044, 93635), (2135, 89644), (2149, 89060), (2555, 74908), (3070, 62342), (4270, 44822), (4298, 44530), (4453, 42980), (5110, 37454), (6140, 31171), (8540, 22411), (8596, 22265), (8906, 21490), (10220, 18727), (10745, 17812)]