2146250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 40

約数和(自身を含む): 4301748

約数和(自身を除く): 2155498

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 101, 125, 170, 202, 250, 425, 505, 625, 850, 1010, 1250, 1717, 2125, 2525, 3434, 4250, 5050, 8585, 10625, 12625, 17170, 21250, 25250, 42925, 63125, 85850, 126250, 214625, 429250, 1073125, 2146250]

約数ペア:

[(1, 2146250), (2, 1073125), (5, 429250), (10, 214625), (17, 126250), (25, 85850), (34, 63125), (50, 42925), (85, 25250), (101, 21250), (125, 17170), (170, 12625), (202, 10625), (250, 8585), (425, 5050), (505, 4250), (625, 3434), (850, 2525), (1010, 2125), (1250, 1717)]