7140250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^4$

素因数の和:69

約数の個数: 40

約数和(自身を含む): 14480388

約数和(自身を除く): 7340138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 1625, 1690, 2197, 3250, 4225, 4394, 8450, 10985, 21125, 21970, 28561, 42250, 54925, 57122, 109850, 142805, 274625, 285610, 549250, 714025, 1428050, 3570125, 7140250]

約数ペア:

[(1, 7140250), (2, 3570125), (5, 1428050), (10, 714025), (13, 549250), (25, 285610), (26, 274625), (50, 142805), (65, 109850), (125, 57122), (130, 54925), (169, 42250), (250, 28561), (325, 21970), (338, 21125), (650, 10985), (845, 8450), (1625, 4394), (1690, 4225), (2197, 3250)]