2116720820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 4735584000

約数和(自身を除く): 2618863180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 149, 178, 230, 298, 347, 356, 445, 460, 596, 694, 745, 890, 1388, 1490, 1735, 1780, 2047, 2980, 3427, 3470, 4094, 6854, 6940, 7981, 8188, 10235, 13261, 13708, 15962, 17135, 20470, 26522, 30883, 31924, 34270, 39905, 40940, 51703, 53044, 61766, 66305, 68540, 79810, 103406, 123532, 132610, 154415, 159620, 206812, 258515, 265220, 305003, 308830, 517030, 610006, 617660, 710309, 1034060, 1189169, 1220012, 1420618, 1525015, 2378338, 2841236, 3050030, 3551545, 4601567, 4756676, 5945845, 6100060, 7103090, 9203134, 11891690, 14206180, 18406268, 23007835, 23783380, 46015670, 92031340, 105836041, 211672082, 423344164, 529180205, 1058360410, 2116720820]

約数ペア:

[(1, 2116720820), (2, 1058360410), (4, 529180205), (5, 423344164), (10, 211672082), (20, 105836041), (23, 92031340), (46, 46015670), (89, 23783380), (92, 23007835), (115, 18406268), (149, 14206180), (178, 11891690), (230, 9203134), (298, 7103090), (347, 6100060), (356, 5945845), (445, 4756676), (460, 4601567), (596, 3551545), (694, 3050030), (745, 2841236), (890, 2378338), (1388, 1525015), (1490, 1420618), (1735, 1220012), (1780, 1189169), (2047, 1034060), (2980, 710309), (3427, 617660), (3470, 610006), (4094, 517030), (6854, 308830), (6940, 305003), (7981, 265220), (8188, 258515), (10235, 206812), (13261, 159620), (13708, 154415), (15962, 132610), (17135, 123532), (20470, 103406), (26522, 79810), (30883, 68540), (31924, 66305), (34270, 61766), (39905, 53044), (40940, 51703)]