105887500

素因数分解:

$2^2\times 5^5\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 238203504

約数和(自身を除く): 132316004

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 197, 215, 250, 394, 430, 500, 625, 788, 860, 985, 1075, 1250, 1970, 2150, 2500, 3125, 3940, 4300, 4925, 5375, 6250, 8471, 9850, 10750, 12500, 16942, 19700, 21500, 24625, 26875, 33884, 42355, 49250, 53750, 84710, 98500, 107500, 123125, 134375, 169420, 211775, 246250, 268750, 423550, 492500, 537500, 615625, 847100, 1058875, 1231250, 2117750, 2462500, 4235500, 5294375, 10588750, 21177500, 26471875, 52943750, 105887500]

約数ペア:

[(1, 105887500), (2, 52943750), (4, 26471875), (5, 21177500), (10, 10588750), (20, 5294375), (25, 4235500), (43, 2462500), (50, 2117750), (86, 1231250), (100, 1058875), (125, 847100), (172, 615625), (197, 537500), (215, 492500), (250, 423550), (394, 268750), (430, 246250), (500, 211775), (625, 169420), (788, 134375), (860, 123125), (985, 107500), (1075, 98500), (1250, 84710), (1970, 53750), (2150, 49250), (2500, 42355), (3125, 33884), (3940, 26875), (4300, 24625), (4925, 21500), (5375, 19700), (6250, 16942), (8471, 12500), (9850, 10750)]