399591180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 1250121600

約数和(自身を除く): 850530420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 149, 180, 188, 235, 282, 298, 317, 423, 447, 470, 564, 596, 634, 705, 745, 846, 894, 940, 951, 1268, 1341, 1410, 1490, 1585, 1692, 1788, 1902, 2115, 2235, 2682, 2820, 2853, 2980, 3170, 3804, 4230, 4470, 4755, 5364, 5706, 6340, 6705, 7003, 8460, 8940, 9510, 11412, 13410, 14006, 14265, 14899, 19020, 21009, 26820, 28012, 28530, 29798, 35015, 42018, 44697, 47233, 57060, 59596, 63027, 70030, 74495, 84036, 89394, 94466, 105045, 126054, 134091, 140060, 141699, 148990, 178788, 188932, 210090, 223485, 236165, 252108, 268182, 283398, 297980, 315135, 420180, 425097, 446970, 472330, 536364, 566796, 630270, 670455, 708495, 850194, 893940, 944660, 1260540, 1340910, 1416990, 1700388, 2125485, 2219951, 2681820, 2833980, 4250970, 4439902, 6659853, 8501940, 8879804, 11099755, 13319706, 19979559, 22199510, 26639412, 33299265, 39959118, 44399020, 66598530, 79918236, 99897795, 133197060, 199795590, 399591180]

約数ペア:

[(1, 399591180), (2, 199795590), (3, 133197060), (4, 99897795), (5, 79918236), (6, 66598530), (9, 44399020), (10, 39959118), (12, 33299265), (15, 26639412), (18, 22199510), (20, 19979559), (30, 13319706), (36, 11099755), (45, 8879804), (47, 8501940), (60, 6659853), (90, 4439902), (94, 4250970), (141, 2833980), (149, 2681820), (180, 2219951), (188, 2125485), (235, 1700388), (282, 1416990), (298, 1340910), (317, 1260540), (423, 944660), (447, 893940), (470, 850194), (564, 708495), (596, 670455), (634, 630270), (705, 566796), (745, 536364), (846, 472330), (894, 446970), (940, 425097), (951, 420180), (1268, 315135), (1341, 297980), (1410, 283398), (1490, 268182), (1585, 252108), (1692, 236165), (1788, 223485), (1902, 210090), (2115, 188932), (2235, 178788), (2682, 148990), (2820, 141699), (2853, 140060), (2980, 134091), (3170, 126054), (3804, 105045), (4230, 94466), (4470, 89394), (4755, 84036), (5364, 74495), (5706, 70030), (6340, 63027), (6705, 59596), (7003, 57060), (8460, 47233), (8940, 44697), (9510, 42018), (11412, 35015), (13410, 29798), (14006, 28530), (14265, 28012), (14899, 26820), (19020, 21009)]