257908070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{9931}}^1$

素因数の和:10005

約数の個数: 48

約数和(自身を含む): 550272528

約数和(自身を除く): 292364458

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 1855, 2597, 3710, 5194, 9931, 12985, 19862, 25970, 49655, 69517, 99310, 139034, 347585, 486619, 526343, 695170, 973238, 1052686, 2433095, 2631715, 3684401, 4866190, 5263430, 7368802, 18422005, 25790807, 36844010, 51581614, 128954035, 257908070]

約数ペア:

[(1, 257908070), (2, 128954035), (5, 51581614), (7, 36844010), (10, 25790807), (14, 18422005), (35, 7368802), (49, 5263430), (53, 4866190), (70, 3684401), (98, 2631715), (106, 2433095), (245, 1052686), (265, 973238), (371, 695170), (490, 526343), (530, 486619), (742, 347585), (1855, 139034), (2597, 99310), (3710, 69517), (5194, 49655), (9931, 25970), (12985, 19862)]