1349544280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{688543}}^1$

素因数の和:688568

約数の個数: 48

約数和(自身を含む): 3532230720

約数和(自身を除く): 2182686440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 688543, 1377086, 2754172, 3442715, 4819801, 5508344, 6885430, 9639602, 13770860, 19279204, 24099005, 27541720, 33738607, 38558408, 48198010, 67477214, 96396020, 134954428, 168693035, 192792040, 269908856, 337386070, 674772140, 1349544280]

約数ペア:

[(1, 1349544280), (2, 674772140), (4, 337386070), (5, 269908856), (7, 192792040), (8, 168693035), (10, 134954428), (14, 96396020), (20, 67477214), (28, 48198010), (35, 38558408), (40, 33738607), (49, 27541720), (56, 24099005), (70, 19279204), (98, 13770860), (140, 9639602), (196, 6885430), (245, 5508344), (280, 4819801), (392, 3442715), (490, 2754172), (980, 1377086), (1960, 688543)]