267606980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 572670000

約数和(自身を除く): 305063020

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 445, 596, 745, 890, 1009, 1490, 1780, 2018, 2980, 4036, 5045, 10090, 13261, 20180, 26522, 53044, 66305, 89801, 132610, 150341, 179602, 265220, 300682, 359204, 449005, 601364, 751705, 898010, 1503410, 1796020, 3006820, 13380349, 26760698, 53521396, 66901745, 133803490, 267606980]

約数ペア:

[(1, 267606980), (2, 133803490), (4, 66901745), (5, 53521396), (10, 26760698), (20, 13380349), (89, 3006820), (149, 1796020), (178, 1503410), (298, 898010), (356, 751705), (445, 601364), (596, 449005), (745, 359204), (890, 300682), (1009, 265220), (1490, 179602), (1780, 150341), (2018, 132610), (2980, 89801), (4036, 66305), (5045, 53044), (10090, 26522), (13261, 20180)]