290628

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:55

約数の個数: 72

約数和(自身を含む): 856128

約数和(自身を除く): 565500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 234, 243, 276, 299, 324, 351, 414, 468, 486, 598, 621, 702, 828, 897, 972, 1053, 1196, 1242, 1404, 1794, 1863, 2106, 2484, 2691, 3159, 3588, 3726, 4212, 5382, 5589, 6318, 7452, 8073, 10764, 11178, 12636, 16146, 22356, 24219, 32292, 48438, 72657, 96876, 145314, 290628]

約数ペア:

[(1, 290628), (2, 145314), (3, 96876), (4, 72657), (6, 48438), (9, 32292), (12, 24219), (13, 22356), (18, 16146), (23, 12636), (26, 11178), (27, 10764), (36, 8073), (39, 7452), (46, 6318), (52, 5589), (54, 5382), (69, 4212), (78, 3726), (81, 3588), (92, 3159), (108, 2691), (117, 2484), (138, 2106), (156, 1863), (162, 1794), (207, 1404), (234, 1242), (243, 1196), (276, 1053), (299, 972), (324, 897), (351, 828), (414, 702), (468, 621), (486, 598)]