4788500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 10697232

約数和(自身を除く): 5908732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 157, 244, 250, 305, 314, 500, 610, 628, 785, 1220, 1525, 1570, 3050, 3140, 3925, 6100, 7625, 7850, 9577, 15250, 15700, 19154, 19625, 30500, 38308, 39250, 47885, 78500, 95770, 191540, 239425, 478850, 957700, 1197125, 2394250, 4788500]

約数ペア:

[(1, 4788500), (2, 2394250), (4, 1197125), (5, 957700), (10, 478850), (20, 239425), (25, 191540), (50, 95770), (61, 78500), (100, 47885), (122, 39250), (125, 38308), (157, 30500), (244, 19625), (250, 19154), (305, 15700), (314, 15250), (500, 9577), (610, 7850), (628, 7625), (785, 6100), (1220, 3925), (1525, 3140), (1570, 3050)]