1854281660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{19739}}^1$

素因数の和:19827

約数の個数: 96

約数和(自身を含む): 4934684160

約数和(自身を除く): 3080402500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 220, 244, 305, 308, 385, 427, 610, 671, 770, 854, 1220, 1342, 1540, 1708, 2135, 2684, 3355, 4270, 4697, 6710, 8540, 9394, 13420, 18788, 19739, 23485, 39478, 46970, 78956, 93940, 98695, 138173, 197390, 217129, 276346, 394780, 434258, 552692, 690865, 868516, 1085645, 1204079, 1381730, 1519903, 2171290, 2408158, 2763460, 3039806, 4342580, 4816316, 6020395, 6079612, 7599515, 8428553, 12040790, 13244869, 15199030, 16857106, 24081580, 26489738, 30398060, 33714212, 42142765, 52979476, 66224345, 84285530, 92714083, 132448690, 168571060, 185428166, 264897380, 370856332, 463570415, 927140830, 1854281660]

約数ペア:

[(1, 1854281660), (2, 927140830), (4, 463570415), (5, 370856332), (7, 264897380), (10, 185428166), (11, 168571060), (14, 132448690), (20, 92714083), (22, 84285530), (28, 66224345), (35, 52979476), (44, 42142765), (55, 33714212), (61, 30398060), (70, 26489738), (77, 24081580), (110, 16857106), (122, 15199030), (140, 13244869), (154, 12040790), (220, 8428553), (244, 7599515), (305, 6079612), (308, 6020395), (385, 4816316), (427, 4342580), (610, 3039806), (671, 2763460), (770, 2408158), (854, 2171290), (1220, 1519903), (1342, 1381730), (1540, 1204079), (1708, 1085645), (2135, 868516), (2684, 690865), (3355, 552692), (4270, 434258), (4697, 394780), (6710, 276346), (8540, 217129), (9394, 197390), (13420, 138173), (18788, 98695), (19739, 93940), (23485, 78956), (39478, 46970)]