102362500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 236234880

約数和(自身を除く): 133872380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 431, 475, 500, 625, 862, 950, 1250, 1724, 1900, 2155, 2375, 2500, 3125, 4310, 4750, 6250, 8189, 8620, 9500, 10775, 11875, 12500, 16378, 21550, 23750, 32756, 40945, 43100, 47500, 53875, 59375, 81890, 107750, 118750, 163780, 204725, 215500, 237500, 269375, 409450, 538750, 818900, 1023625, 1077500, 1346875, 2047250, 2693750, 4094500, 5118125, 5387500, 10236250, 20472500, 25590625, 51181250, 102362500]

約数ペア:

[(1, 102362500), (2, 51181250), (4, 25590625), (5, 20472500), (10, 10236250), (19, 5387500), (20, 5118125), (25, 4094500), (38, 2693750), (50, 2047250), (76, 1346875), (95, 1077500), (100, 1023625), (125, 818900), (190, 538750), (250, 409450), (380, 269375), (431, 237500), (475, 215500), (500, 204725), (625, 163780), (862, 118750), (950, 107750), (1250, 81890), (1724, 59375), (1900, 53875), (2155, 47500), (2375, 43100), (2500, 40945), (3125, 32756), (4310, 23750), (4750, 21550), (6250, 16378), (8189, 12500), (8620, 11875), (9500, 10775)]