2398780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5370624

約数和(自身を除く): 2971844

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 73, 106, 124, 146, 155, 212, 265, 292, 310, 365, 530, 620, 730, 1060, 1460, 1643, 2263, 3286, 3869, 4526, 6572, 7738, 8215, 9052, 11315, 15476, 16430, 19345, 22630, 32860, 38690, 45260, 77380, 119939, 239878, 479756, 599695, 1199390, 2398780]

約数ペア:

[(1, 2398780), (2, 1199390), (4, 599695), (5, 479756), (10, 239878), (20, 119939), (31, 77380), (53, 45260), (62, 38690), (73, 32860), (106, 22630), (124, 19345), (146, 16430), (155, 15476), (212, 11315), (265, 9052), (292, 8215), (310, 7738), (365, 6572), (530, 4526), (620, 3869), (730, 3286), (1060, 2263), (1460, 1643)]