82803940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 185068800

約数和(自身を除く): 102264860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1019, 1195, 2038, 2390, 4063, 4076, 4780, 5095, 8126, 10190, 16252, 17323, 20315, 20380, 34646, 40630, 69292, 81260, 86615, 173230, 243541, 346460, 487082, 974164, 1217705, 2435410, 4140197, 4870820, 8280394, 16560788, 20700985, 41401970, 82803940]

約数ペア:

[(1, 82803940), (2, 41401970), (4, 20700985), (5, 16560788), (10, 8280394), (17, 4870820), (20, 4140197), (34, 2435410), (68, 1217705), (85, 974164), (170, 487082), (239, 346460), (340, 243541), (478, 173230), (956, 86615), (1019, 81260), (1195, 69292), (2038, 40630), (2390, 34646), (4063, 20380), (4076, 20315), (4780, 17323), (5095, 16252), (8126, 10190)]