99993980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 217247520

約数和(自身を除く): 117253540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 163, 185, 326, 370, 652, 740, 815, 829, 1630, 1658, 3260, 3316, 4145, 6031, 8290, 12062, 16580, 24124, 30155, 30673, 60310, 61346, 120620, 122692, 135127, 153365, 270254, 306730, 540508, 613460, 675635, 1351270, 2702540, 4999699, 9999398, 19998796, 24998495, 49996990, 99993980]

約数ペア:

[(1, 99993980), (2, 49996990), (4, 24998495), (5, 19998796), (10, 9999398), (20, 4999699), (37, 2702540), (74, 1351270), (148, 675635), (163, 613460), (185, 540508), (326, 306730), (370, 270254), (652, 153365), (740, 135127), (815, 122692), (829, 120620), (1630, 61346), (1658, 60310), (3260, 30673), (3316, 30155), (4145, 24124), (6031, 16580), (8290, 12062)]