2011979980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{353}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 4538903040

約数和(自身を除く): 2526923060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 317, 353, 580, 620, 634, 706, 899, 1268, 1412, 1585, 1765, 1798, 3170, 3530, 3596, 4495, 6340, 7060, 8990, 9193, 9827, 10237, 10943, 17980, 18386, 19654, 20474, 21886, 36772, 39308, 40948, 43772, 45965, 49135, 51185, 54715, 91930, 98270, 102370, 109430, 111901, 183860, 196540, 204740, 218860, 223802, 284983, 317347, 447604, 559505, 569966, 634694, 1119010, 1139932, 1269388, 1424915, 1586735, 2238020, 2849830, 3173470, 3245129, 3468931, 5699660, 6346940, 6490258, 6937862, 12980516, 13875724, 16225645, 17344655, 32451290, 34689310, 64902580, 69378620, 100598999, 201197998, 402395996, 502994995, 1005989990, 2011979980]

約数ペア:

[(1, 2011979980), (2, 1005989990), (4, 502994995), (5, 402395996), (10, 201197998), (20, 100598999), (29, 69378620), (31, 64902580), (58, 34689310), (62, 32451290), (116, 17344655), (124, 16225645), (145, 13875724), (155, 12980516), (290, 6937862), (310, 6490258), (317, 6346940), (353, 5699660), (580, 3468931), (620, 3245129), (634, 3173470), (706, 2849830), (899, 2238020), (1268, 1586735), (1412, 1424915), (1585, 1269388), (1765, 1139932), (1798, 1119010), (3170, 634694), (3530, 569966), (3596, 559505), (4495, 447604), (6340, 317347), (7060, 284983), (8990, 223802), (9193, 218860), (9827, 204740), (10237, 196540), (10943, 183860), (17980, 111901), (18386, 109430), (19654, 102370), (20474, 98270), (21886, 91930), (36772, 54715), (39308, 51185), (40948, 49135), (43772, 45965)]