201206620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 428652000

約数和(自身を除く): 227445380

約数列:

[1, 2, 4, 5, 10, 20, 149, 251, 269, 298, 502, 538, 596, 745, 1004, 1076, 1255, 1345, 1490, 2510, 2690, 2980, 5020, 5380, 37399, 40081, 67519, 74798, 80162, 135038, 149596, 160324, 186995, 200405, 270076, 337595, 373990, 400810, 675190, 747980, 801620, 1350380, 10060331, 20120662, 40241324, 50301655, 100603310, 201206620]

約数ペア:

[(1, 201206620), (2, 100603310), (4, 50301655), (5, 40241324), (10, 20120662), (20, 10060331), (149, 1350380), (251, 801620), (269, 747980), (298, 675190), (502, 400810), (538, 373990), (596, 337595), (745, 270076), (1004, 200405), (1076, 186995), (1255, 160324), (1345, 149596), (1490, 135038), (2510, 80162), (2690, 74798), (2980, 67519), (5020, 40081), (5380, 37399)]