2021947480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5147}}^1$

素因数の和:5249

約数の個数: 128

約数和(自身を含む): 5515361280

約数和(自身を除く): 3493413800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 92, 115, 122, 140, 161, 184, 230, 244, 280, 305, 322, 427, 460, 488, 610, 644, 805, 854, 920, 1220, 1288, 1403, 1610, 1708, 2135, 2440, 2806, 3220, 3416, 4270, 5147, 5612, 6440, 7015, 8540, 9821, 10294, 11224, 14030, 17080, 19642, 20588, 25735, 28060, 36029, 39284, 41176, 49105, 51470, 56120, 72058, 78568, 98210, 102940, 118381, 144116, 180145, 196420, 205880, 236762, 288232, 313967, 360290, 392840, 473524, 591905, 627934, 720580, 828667, 947048, 1183810, 1255868, 1441160, 1569835, 1657334, 2197769, 2367620, 2511736, 3139670, 3314668, 4143335, 4395538, 4735240, 6279340, 6629336, 7221241, 8286670, 8791076, 10988845, 12558680, 14442482, 16573340, 17582152, 21977690, 28884964, 33146680, 36106205, 43955380, 50548687, 57769928, 72212410, 87910760, 101097374, 144424820, 202194748, 252743435, 288849640, 404389496, 505486870, 1010973740, 2021947480]

約数ペア:

[(1, 2021947480), (2, 1010973740), (4, 505486870), (5, 404389496), (7, 288849640), (8, 252743435), (10, 202194748), (14, 144424820), (20, 101097374), (23, 87910760), (28, 72212410), (35, 57769928), (40, 50548687), (46, 43955380), (56, 36106205), (61, 33146680), (70, 28884964), (92, 21977690), (115, 17582152), (122, 16573340), (140, 14442482), (161, 12558680), (184, 10988845), (230, 8791076), (244, 8286670), (280, 7221241), (305, 6629336), (322, 6279340), (427, 4735240), (460, 4395538), (488, 4143335), (610, 3314668), (644, 3139670), (805, 2511736), (854, 2367620), (920, 2197769), (1220, 1657334), (1288, 1569835), (1403, 1441160), (1610, 1255868), (1708, 1183810), (2135, 947048), (2440, 828667), (2806, 720580), (3220, 627934), (3416, 591905), (4270, 473524), (5147, 392840), (5612, 360290), (6440, 313967), (7015, 288232), (8540, 236762), (9821, 205880), (10294, 196420), (11224, 180145), (14030, 144116), (17080, 118381), (19642, 102940), (20588, 98210), (25735, 78568), (28060, 72058), (36029, 56120), (39284, 51470), (41176, 49105)]