7756940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 17388000

約数和(自身を除く): 9631060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 149, 190, 274, 298, 380, 548, 596, 685, 745, 1370, 1490, 2603, 2740, 2831, 2980, 5206, 5662, 10412, 11324, 13015, 14155, 20413, 26030, 28310, 40826, 52060, 56620, 81652, 102065, 204130, 387847, 408260, 775694, 1551388, 1939235, 3878470, 7756940]

約数ペア:

[(1, 7756940), (2, 3878470), (4, 1939235), (5, 1551388), (10, 775694), (19, 408260), (20, 387847), (38, 204130), (76, 102065), (95, 81652), (137, 56620), (149, 52060), (190, 40826), (274, 28310), (298, 26030), (380, 20413), (548, 14155), (596, 13015), (685, 11324), (745, 10412), (1370, 5662), (1490, 5206), (2603, 2980), (2740, 2831)]