87650500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 222243840

約数和(自身を除く): 134593340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 125, 140, 158, 175, 250, 316, 317, 350, 395, 500, 553, 634, 700, 790, 875, 1106, 1268, 1580, 1585, 1750, 1975, 2212, 2219, 2765, 3170, 3500, 3950, 4438, 5530, 6340, 7900, 7925, 8876, 9875, 11060, 11095, 13825, 15850, 19750, 22190, 25043, 27650, 31700, 39500, 39625, 44380, 50086, 55300, 55475, 69125, 79250, 100172, 110950, 125215, 138250, 158500, 175301, 221900, 250430, 276500, 277375, 350602, 500860, 554750, 626075, 701204, 876505, 1109500, 1252150, 1753010, 2504300, 3130375, 3506020, 4382525, 6260750, 8765050, 12521500, 17530100, 21912625, 43825250, 87650500]

約数ペア:

[(1, 87650500), (2, 43825250), (4, 21912625), (5, 17530100), (7, 12521500), (10, 8765050), (14, 6260750), (20, 4382525), (25, 3506020), (28, 3130375), (35, 2504300), (50, 1753010), (70, 1252150), (79, 1109500), (100, 876505), (125, 701204), (140, 626075), (158, 554750), (175, 500860), (250, 350602), (316, 277375), (317, 276500), (350, 250430), (395, 221900), (500, 175301), (553, 158500), (634, 138250), (700, 125215), (790, 110950), (875, 100172), (1106, 79250), (1268, 69125), (1580, 55475), (1585, 55300), (1750, 50086), (1975, 44380), (2212, 39625), (2219, 39500), (2765, 31700), (3170, 27650), (3500, 25043), (3950, 22190), (4438, 19750), (5530, 15850), (6340, 13825), (7900, 11095), (7925, 11060), (8876, 9875)]