77291860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{809}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 172685520

約数和(自身を除く): 95393660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 562, 809, 1124, 1405, 1618, 2810, 3236, 4045, 4777, 5620, 8090, 9554, 13753, 16180, 19108, 23885, 27506, 47770, 55012, 68765, 95540, 137530, 227329, 275060, 454658, 909316, 1136645, 2273290, 3864593, 4546580, 7729186, 15458372, 19322965, 38645930, 77291860]

約数ペア:

[(1, 77291860), (2, 38645930), (4, 19322965), (5, 15458372), (10, 7729186), (17, 4546580), (20, 3864593), (34, 2273290), (68, 1136645), (85, 909316), (170, 454658), (281, 275060), (340, 227329), (562, 137530), (809, 95540), (1124, 68765), (1405, 55012), (1618, 47770), (2810, 27506), (3236, 23885), (4045, 19108), (4777, 16180), (5620, 13753), (8090, 9554)]