201778280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3037}}^1$

素因数の和:3210

約数の個数: 64

約数和(自身を含む): 498718080

約数和(自身を除く): 296939800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1208, 1510, 1661, 3020, 3037, 3322, 6040, 6074, 6644, 8305, 12148, 13288, 15185, 16610, 24296, 30370, 33220, 33407, 60740, 66440, 66814, 121480, 133628, 167035, 267256, 334070, 458587, 668140, 917174, 1336280, 1834348, 2292935, 3668696, 4585870, 5044457, 9171740, 10088914, 18343480, 20177828, 25222285, 40355656, 50444570, 100889140, 201778280]

約数ペア:

[(1, 201778280), (2, 100889140), (4, 50444570), (5, 40355656), (8, 25222285), (10, 20177828), (11, 18343480), (20, 10088914), (22, 9171740), (40, 5044457), (44, 4585870), (55, 3668696), (88, 2292935), (110, 1834348), (151, 1336280), (220, 917174), (302, 668140), (440, 458587), (604, 334070), (755, 267256), (1208, 167035), (1510, 133628), (1661, 121480), (3020, 66814), (3037, 66440), (3322, 60740), (6040, 33407), (6074, 33220), (6644, 30370), (8305, 24296), (12148, 16610), (13288, 15185)]