1226685980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{248317}}^1$

素因数の和:248358

約数の個数: 48

約数和(自身を含む): 2920219680

約数和(自身を除く): 1693533700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 248317, 496634, 993268, 1241585, 2483170, 3228121, 4718023, 4966340, 6456242, 9436046, 12912484, 16140605, 18872092, 23590115, 32281210, 47180230, 61334299, 64562420, 94360460, 122668598, 245337196, 306671495, 613342990, 1226685980]

約数ペア:

[(1, 1226685980), (2, 613342990), (4, 306671495), (5, 245337196), (10, 122668598), (13, 94360460), (19, 64562420), (20, 61334299), (26, 47180230), (38, 32281210), (52, 23590115), (65, 18872092), (76, 16140605), (95, 12912484), (130, 9436046), (190, 6456242), (247, 4966340), (260, 4718023), (380, 3228121), (494, 2483170), (988, 1241585), (1235, 993268), (2470, 496634), (4940, 248317)]