77139140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1307}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 175355712

約数和(自身を除く): 98216572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 1307, 2270, 2614, 2951, 4540, 5228, 5902, 6535, 11804, 13070, 14755, 16991, 26140, 29510, 33982, 59020, 67964, 84955, 169910, 296689, 339820, 593378, 1186756, 1483445, 2966890, 3856957, 5933780, 7713914, 15427828, 19284785, 38569570, 77139140]

約数ペア:

[(1, 77139140), (2, 38569570), (4, 19284785), (5, 15427828), (10, 7713914), (13, 5933780), (20, 3856957), (26, 2966890), (52, 1483445), (65, 1186756), (130, 593378), (227, 339820), (260, 296689), (454, 169910), (908, 84955), (1135, 67964), (1307, 59020), (2270, 33982), (2614, 29510), (2951, 26140), (4540, 16991), (5228, 14755), (5902, 13070), (6535, 11804)]