291226634980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1\times {\mathrm{3559}}^1$

素因数の和:4481

約数の個数: 96

約数和(自身を含む): 635706408960

約数和(自身を除く): 344479773980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 691, 764, 955, 1382, 1910, 2764, 3455, 3559, 3820, 5921, 6910, 7118, 11842, 13820, 14236, 17795, 21421, 23684, 29605, 35590, 42842, 59210, 71180, 85684, 107105, 110329, 118420, 131981, 214210, 220658, 263962, 428420, 441316, 527924, 551645, 659905, 679769, 1103290, 1319810, 1359538, 2206580, 2459269, 2639620, 2719076, 3398845, 4091411, 4918538, 6797690, 8182822, 9837076, 12296345, 13595380, 16365644, 20457055, 21072839, 24592690, 40914110, 42145678, 49185380, 76237339, 81828220, 84291356, 105364195, 152474678, 210728390, 304949356, 381186695, 421456780, 469720379, 762373390, 939440758, 1524746780, 1878881516, 2348601895, 4697203790, 9394407580, 14561331749, 29122663498, 58245326996, 72806658745, 145613317490, 291226634980]

約数ペア:

[(1, 291226634980), (2, 145613317490), (4, 72806658745), (5, 58245326996), (10, 29122663498), (20, 14561331749), (31, 9394407580), (62, 4697203790), (124, 2348601895), (155, 1878881516), (191, 1524746780), (310, 939440758), (382, 762373390), (620, 469720379), (691, 421456780), (764, 381186695), (955, 304949356), (1382, 210728390), (1910, 152474678), (2764, 105364195), (3455, 84291356), (3559, 81828220), (3820, 76237339), (5921, 49185380), (6910, 42145678), (7118, 40914110), (11842, 24592690), (13820, 21072839), (14236, 20457055), (17795, 16365644), (21421, 13595380), (23684, 12296345), (29605, 9837076), (35590, 8182822), (42842, 6797690), (59210, 4918538), (71180, 4091411), (85684, 3398845), (107105, 2719076), (110329, 2639620), (118420, 2459269), (131981, 2206580), (214210, 1359538), (220658, 1319810), (263962, 1103290), (428420, 679769), (441316, 659905), (527924, 551645)]