78261200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{677}}^1$

素因数の和:729

約数の個数: 90

約数和(自身を含む): 200028306

約数和(自身を除く): 121767106

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 289, 340, 400, 425, 578, 677, 680, 850, 1156, 1354, 1360, 1445, 1700, 2312, 2708, 2890, 3385, 3400, 4624, 5416, 5780, 6770, 6800, 7225, 10832, 11509, 11560, 13540, 14450, 16925, 23018, 23120, 27080, 28900, 33850, 46036, 54160, 57545, 57800, 67700, 92072, 115090, 115600, 135400, 184144, 195653, 230180, 270800, 287725, 391306, 460360, 575450, 782612, 920720, 978265, 1150900, 1565224, 1956530, 2301800, 3130448, 3913060, 4603600, 4891325, 7826120, 9782650, 15652240, 19565300, 39130600, 78261200]

約数ペア:

[(1, 78261200), (2, 39130600), (4, 19565300), (5, 15652240), (8, 9782650), (10, 7826120), (16, 4891325), (17, 4603600), (20, 3913060), (25, 3130448), (34, 2301800), (40, 1956530), (50, 1565224), (68, 1150900), (80, 978265), (85, 920720), (100, 782612), (136, 575450), (170, 460360), (200, 391306), (272, 287725), (289, 270800), (340, 230180), (400, 195653), (425, 184144), (578, 135400), (677, 115600), (680, 115090), (850, 92072), (1156, 67700), (1354, 57800), (1360, 57545), (1445, 54160), (1700, 46036), (2312, 33850), (2708, 28900), (2890, 27080), (3385, 23120), (3400, 23018), (4624, 16925), (5416, 14450), (5780, 13540), (6770, 11560), (6800, 11509), (7225, 10832)]