291268910980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{32531}}^1$

素因数の和:32821

約数の個数: 96

約数和(自身を含む): 640432759680

約数和(自身を除く): 349163848700

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 179, 205, 244, 305, 358, 410, 610, 716, 820, 895, 1220, 1790, 2501, 3580, 5002, 7339, 10004, 10919, 12505, 14678, 21838, 25010, 29356, 32531, 36695, 43676, 50020, 54595, 65062, 73390, 109190, 130124, 146780, 162655, 218380, 325310, 447679, 650620, 895358, 1333771, 1790716, 1984391, 2238395, 2667542, 3968782, 4476790, 5335084, 5823049, 6668855, 7937564, 8953580, 9921955, 11646098, 13337710, 19843910, 23292196, 26675420, 29115245, 39687820, 58230490, 81360031, 116460980, 162720062, 238745009, 325440124, 355205989, 406800155, 477490018, 710411978, 813600310, 954980036, 1193725045, 1420823956, 1627200620, 1776029945, 2387450090, 3552059890, 4774900180, 7104119780, 14563445549, 29126891098, 58253782196, 72817227745, 145634455490, 291268910980]

約数ペア:

[(1, 291268910980), (2, 145634455490), (4, 72817227745), (5, 58253782196), (10, 29126891098), (20, 14563445549), (41, 7104119780), (61, 4774900180), (82, 3552059890), (122, 2387450090), (164, 1776029945), (179, 1627200620), (205, 1420823956), (244, 1193725045), (305, 954980036), (358, 813600310), (410, 710411978), (610, 477490018), (716, 406800155), (820, 355205989), (895, 325440124), (1220, 238745009), (1790, 162720062), (2501, 116460980), (3580, 81360031), (5002, 58230490), (7339, 39687820), (10004, 29115245), (10919, 26675420), (12505, 23292196), (14678, 19843910), (21838, 13337710), (25010, 11646098), (29356, 9921955), (32531, 8953580), (36695, 7937564), (43676, 6668855), (50020, 5823049), (54595, 5335084), (65062, 4476790), (73390, 3968782), (109190, 2667542), (130124, 2238395), (146780, 1984391), (162655, 1790716), (218380, 1333771), (325310, 895358), (447679, 650620)]