9001250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 40

約数和(自身を含む): 17806800

約数和(自身を除く): 8805550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 379, 475, 625, 758, 950, 1250, 1895, 2375, 3790, 4750, 7201, 9475, 11875, 14402, 18950, 23750, 36005, 47375, 72010, 94750, 180025, 236875, 360050, 473750, 900125, 1800250, 4500625, 9001250]

約数ペア:

[(1, 9001250), (2, 4500625), (5, 1800250), (10, 900125), (19, 473750), (25, 360050), (38, 236875), (50, 180025), (95, 94750), (125, 72010), (190, 47375), (250, 36005), (379, 23750), (475, 18950), (625, 14402), (758, 11875), (950, 9475), (1250, 7201), (1895, 4750), (2375, 3790)]