253866210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4969}}^1$

素因数の和:5123

約数の個数: 64

約数和(自身を含む): 661288320

約数和(自身を除く): 407422110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 131, 195, 262, 390, 393, 655, 786, 1310, 1703, 1965, 3406, 3930, 4969, 5109, 8515, 9938, 10218, 14907, 17030, 24845, 25545, 29814, 49690, 51090, 64597, 74535, 129194, 149070, 193791, 322985, 387582, 645970, 650939, 968955, 1301878, 1937910, 1952817, 3254695, 3905634, 6509390, 8462207, 9764085, 16924414, 19528170, 25386621, 42311035, 50773242, 84622070, 126933105, 253866210]

約数ペア:

[(1, 253866210), (2, 126933105), (3, 84622070), (5, 50773242), (6, 42311035), (10, 25386621), (13, 19528170), (15, 16924414), (26, 9764085), (30, 8462207), (39, 6509390), (65, 3905634), (78, 3254695), (130, 1952817), (131, 1937910), (195, 1301878), (262, 968955), (390, 650939), (393, 645970), (655, 387582), (786, 322985), (1310, 193791), (1703, 149070), (1965, 129194), (3406, 74535), (3930, 64597), (4969, 51090), (5109, 49690), (8515, 29814), (9938, 25545), (10218, 24845), (14907, 17030)]