7880180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 22752576

約数和(自身を除く): 14872396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 43, 44, 49, 55, 68, 70, 77, 85, 86, 98, 110, 119, 140, 154, 170, 172, 187, 196, 215, 220, 238, 245, 301, 308, 340, 374, 385, 430, 473, 476, 490, 539, 595, 602, 731, 748, 770, 833, 860, 935, 946, 980, 1078, 1190, 1204, 1309, 1462, 1505, 1540, 1666, 1870, 1892, 2107, 2156, 2365, 2380, 2618, 2695, 2924, 3010, 3311, 3332, 3655, 3740, 4165, 4214, 4730, 5117, 5236, 5390, 6020, 6545, 6622, 7310, 8041, 8330, 8428, 9163, 9460, 10234, 10535, 10780, 13090, 13244, 14620, 16082, 16555, 16660, 18326, 20468, 21070, 23177, 25585, 26180, 32164, 33110, 35819, 36652, 40205, 42140, 45815, 46354, 51170, 56287, 66220, 71638, 80410, 91630, 92708, 102340, 112574, 115885, 143276, 160820, 179095, 183260, 225148, 231770, 281435, 358190, 394009, 463540, 562870, 716380, 788018, 1125740, 1576036, 1970045, 3940090, 7880180]

約数ペア:

[(1, 7880180), (2, 3940090), (4, 1970045), (5, 1576036), (7, 1125740), (10, 788018), (11, 716380), (14, 562870), (17, 463540), (20, 394009), (22, 358190), (28, 281435), (34, 231770), (35, 225148), (43, 183260), (44, 179095), (49, 160820), (55, 143276), (68, 115885), (70, 112574), (77, 102340), (85, 92708), (86, 91630), (98, 80410), (110, 71638), (119, 66220), (140, 56287), (154, 51170), (170, 46354), (172, 45815), (187, 42140), (196, 40205), (215, 36652), (220, 35819), (238, 33110), (245, 32164), (301, 26180), (308, 25585), (340, 23177), (374, 21070), (385, 20468), (430, 18326), (473, 16660), (476, 16555), (490, 16082), (539, 14620), (595, 13244), (602, 13090), (731, 10780), (748, 10535), (770, 10234), (833, 9460), (860, 9163), (935, 8428), (946, 8330), (980, 8041), (1078, 7310), (1190, 6622), (1204, 6545), (1309, 6020), (1462, 5390), (1505, 5236), (1540, 5117), (1666, 4730), (1870, 4214), (1892, 4165), (2107, 3740), (2156, 3655), (2365, 3332), (2380, 3311), (2618, 3010), (2695, 2924)]