251168600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 620086800

約数和(自身を除く): 368918200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 157, 190, 200, 314, 380, 421, 475, 628, 760, 785, 842, 950, 1256, 1570, 1684, 1900, 2105, 2983, 3140, 3368, 3800, 3925, 4210, 5966, 6280, 7850, 7999, 8420, 10525, 11932, 14915, 15700, 15998, 16840, 21050, 23864, 29830, 31400, 31996, 39995, 42100, 59660, 63992, 66097, 74575, 79990, 84200, 119320, 132194, 149150, 159980, 199975, 264388, 298300, 319960, 330485, 399950, 528776, 596600, 660970, 799900, 1255843, 1321940, 1599800, 1652425, 2511686, 2643880, 3304850, 5023372, 6279215, 6609700, 10046744, 12558430, 13219400, 25116860, 31396075, 50233720, 62792150, 125584300, 251168600]

約数ペア:

[(1, 251168600), (2, 125584300), (4, 62792150), (5, 50233720), (8, 31396075), (10, 25116860), (19, 13219400), (20, 12558430), (25, 10046744), (38, 6609700), (40, 6279215), (50, 5023372), (76, 3304850), (95, 2643880), (100, 2511686), (152, 1652425), (157, 1599800), (190, 1321940), (200, 1255843), (314, 799900), (380, 660970), (421, 596600), (475, 528776), (628, 399950), (760, 330485), (785, 319960), (842, 298300), (950, 264388), (1256, 199975), (1570, 159980), (1684, 149150), (1900, 132194), (2105, 119320), (2983, 84200), (3140, 79990), (3368, 74575), (3800, 66097), (3925, 63992), (4210, 59660), (5966, 42100), (6280, 39995), (7850, 31996), (7999, 31400), (8420, 29830), (10525, 23864), (11932, 21050), (14915, 16840), (15700, 15998)]