231428990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 516015360

約数和(自身を除く): 284586370

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 29, 34, 46, 58, 65, 85, 115, 130, 145, 157, 170, 221, 230, 290, 299, 314, 377, 391, 442, 493, 598, 667, 754, 782, 785, 986, 1105, 1334, 1495, 1570, 1885, 1955, 2041, 2210, 2465, 2669, 2990, 3335, 3611, 3770, 3910, 4082, 4553, 4930, 5083, 5338, 6409, 6670, 7222, 8671, 9106, 10166, 10205, 11339, 12818, 13345, 17342, 18055, 20410, 22678, 22765, 25415, 26690, 32045, 34697, 36110, 43355, 45530, 46943, 50830, 56695, 59189, 61387, 64090, 69394, 77401, 86710, 93886, 104719, 113390, 118378, 122774, 147407, 154802, 173485, 209438, 234715, 294814, 295945, 306935, 346970, 387005, 469430, 523595, 591890, 613870, 737035, 774010, 798031, 1006213, 1047190, 1361347, 1474070, 1596062, 1780223, 2012426, 2722694, 3560446, 3990155, 5031065, 6806735, 7980310, 8901115, 10062130, 13613470, 17802230, 23142899, 46285798, 115714495, 231428990]

約数ペア:

[(1, 231428990), (2, 115714495), (5, 46285798), (10, 23142899), (13, 17802230), (17, 13613470), (23, 10062130), (26, 8901115), (29, 7980310), (34, 6806735), (46, 5031065), (58, 3990155), (65, 3560446), (85, 2722694), (115, 2012426), (130, 1780223), (145, 1596062), (157, 1474070), (170, 1361347), (221, 1047190), (230, 1006213), (290, 798031), (299, 774010), (314, 737035), (377, 613870), (391, 591890), (442, 523595), (493, 469430), (598, 387005), (667, 346970), (754, 306935), (782, 295945), (785, 294814), (986, 234715), (1105, 209438), (1334, 173485), (1495, 154802), (1570, 147407), (1885, 122774), (1955, 118378), (2041, 113390), (2210, 104719), (2465, 93886), (2669, 86710), (2990, 77401), (3335, 69394), (3611, 64090), (3770, 61387), (3910, 59189), (4082, 56695), (4553, 50830), (4930, 46943), (5083, 45530), (5338, 43355), (6409, 36110), (6670, 34697), (7222, 32045), (8671, 26690), (9106, 25415), (10166, 22765), (10205, 22678), (11339, 20410), (12818, 18055), (13345, 17342)]