2011979900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36383}}^1$

素因数の和:36483

約数の個数: 72

約数和(自身を含む): 5053009920

約数和(自身を除く): 3041030020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1580, 1975, 2212, 2765, 3950, 5530, 7900, 11060, 13825, 27650, 36383, 55300, 72766, 145532, 181915, 254681, 363830, 509362, 727660, 909575, 1018724, 1273405, 1819150, 2546810, 2874257, 3638300, 5093620, 5748514, 6367025, 11497028, 12734050, 14371285, 20119799, 25468100, 28742570, 40239598, 57485140, 71856425, 80479196, 100598995, 143712850, 201197990, 287425700, 402395980, 502994975, 1005989950, 2011979900]

約数ペア:

[(1, 2011979900), (2, 1005989950), (4, 502994975), (5, 402395980), (7, 287425700), (10, 201197990), (14, 143712850), (20, 100598995), (25, 80479196), (28, 71856425), (35, 57485140), (50, 40239598), (70, 28742570), (79, 25468100), (100, 20119799), (140, 14371285), (158, 12734050), (175, 11497028), (316, 6367025), (350, 5748514), (395, 5093620), (553, 3638300), (700, 2874257), (790, 2546810), (1106, 1819150), (1580, 1273405), (1975, 1018724), (2212, 909575), (2765, 727660), (3950, 509362), (5530, 363830), (7900, 254681), (11060, 181915), (13825, 145532), (27650, 72766), (36383, 55300)]