1543940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 3628800

約数和(自身を除く): 2084860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 239, 323, 340, 380, 478, 646, 956, 1195, 1292, 1615, 2390, 3230, 4063, 4541, 4780, 6460, 8126, 9082, 16252, 18164, 20315, 22705, 40630, 45410, 77197, 81260, 90820, 154394, 308788, 385985, 771970, 1543940]

約数ペア:

[(1, 1543940), (2, 771970), (4, 385985), (5, 308788), (10, 154394), (17, 90820), (19, 81260), (20, 77197), (34, 45410), (38, 40630), (68, 22705), (76, 20315), (85, 18164), (95, 16252), (170, 9082), (190, 8126), (239, 6460), (323, 4780), (340, 4541), (380, 4063), (478, 3230), (646, 2390), (956, 1615), (1195, 1292)]