153978550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 72

約数和(自身を含む): 325354176

約数和(自身を除く): 171375626

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 121, 155, 242, 275, 310, 341, 550, 605, 682, 775, 821, 1210, 1550, 1642, 1705, 3025, 3410, 3751, 4105, 6050, 7502, 8210, 8525, 9031, 17050, 18062, 18755, 20525, 25451, 37510, 41050, 45155, 50902, 90310, 93775, 99341, 127255, 187550, 198682, 225775, 254510, 279961, 451550, 496705, 559922, 636275, 993410, 1272550, 1399805, 2483525, 2799610, 3079571, 4967050, 6159142, 6999025, 13998050, 15397855, 30795710, 76989275, 153978550]

約数ペア:

[(1, 153978550), (2, 76989275), (5, 30795710), (10, 15397855), (11, 13998050), (22, 6999025), (25, 6159142), (31, 4967050), (50, 3079571), (55, 2799610), (62, 2483525), (110, 1399805), (121, 1272550), (155, 993410), (242, 636275), (275, 559922), (310, 496705), (341, 451550), (550, 279961), (605, 254510), (682, 225775), (775, 198682), (821, 187550), (1210, 127255), (1550, 99341), (1642, 93775), (1705, 90310), (3025, 50902), (3410, 45155), (3751, 41050), (4105, 37510), (6050, 25451), (7502, 20525), (8210, 18755), (8525, 18062), (9031, 17050)]