311948980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131071}}^1$

素因数の和:131104

約数の個数: 48

約数和(自身を含む): 792723456

約数和(自身を除く): 480774476

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 131071, 262142, 524284, 655355, 917497, 1310710, 1834994, 2228207, 2621420, 3669988, 4456414, 4587485, 8912828, 9174970, 11141035, 15597449, 18349940, 22282070, 31194898, 44564140, 62389796, 77987245, 155974490, 311948980]

約数ペア:

[(1, 311948980), (2, 155974490), (4, 77987245), (5, 62389796), (7, 44564140), (10, 31194898), (14, 22282070), (17, 18349940), (20, 15597449), (28, 11141035), (34, 9174970), (35, 8912828), (68, 4587485), (70, 4456414), (85, 3669988), (119, 2621420), (140, 2228207), (170, 1834994), (238, 1310710), (340, 917497), (476, 655355), (595, 524284), (1190, 262142), (2380, 131071)]