7417220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 16632000

約数和(自身を除く): 9214780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 149, 190, 262, 298, 380, 524, 596, 655, 745, 1310, 1490, 2489, 2620, 2831, 2980, 4978, 5662, 9956, 11324, 12445, 14155, 19519, 24890, 28310, 39038, 49780, 56620, 78076, 97595, 195190, 370861, 390380, 741722, 1483444, 1854305, 3708610, 7417220]

約数ペア:

[(1, 7417220), (2, 3708610), (4, 1854305), (5, 1483444), (10, 741722), (19, 390380), (20, 370861), (38, 195190), (76, 97595), (95, 78076), (131, 56620), (149, 49780), (190, 39038), (262, 28310), (298, 24890), (380, 19519), (524, 14155), (596, 12445), (655, 11324), (745, 9956), (1310, 5662), (1490, 4978), (2489, 2980), (2620, 2831)]