818797420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5099}}^1$

素因数の和:5183

約数の個数: 96

約数和(自身を含む): 2083737600

約数和(自身を除く): 1264940180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 124, 140, 148, 155, 185, 217, 259, 310, 370, 434, 518, 620, 740, 868, 1036, 1085, 1147, 1295, 2170, 2294, 2590, 4340, 4588, 5099, 5180, 5735, 8029, 10198, 11470, 16058, 20396, 22940, 25495, 32116, 35693, 40145, 50990, 71386, 80290, 101980, 142772, 158069, 160580, 178465, 188663, 316138, 356930, 377326, 632276, 713860, 754652, 790345, 943315, 1106483, 1320641, 1580690, 1886630, 2212966, 2641282, 3161380, 3773260, 4425932, 5282564, 5532415, 5848553, 6603205, 11064830, 11697106, 13206410, 22129660, 23394212, 26412820, 29242765, 40939871, 58485530, 81879742, 116971060, 163759484, 204699355, 409398710, 818797420]

約数ペア:

[(1, 818797420), (2, 409398710), (4, 204699355), (5, 163759484), (7, 116971060), (10, 81879742), (14, 58485530), (20, 40939871), (28, 29242765), (31, 26412820), (35, 23394212), (37, 22129660), (62, 13206410), (70, 11697106), (74, 11064830), (124, 6603205), (140, 5848553), (148, 5532415), (155, 5282564), (185, 4425932), (217, 3773260), (259, 3161380), (310, 2641282), (370, 2212966), (434, 1886630), (518, 1580690), (620, 1320641), (740, 1106483), (868, 943315), (1036, 790345), (1085, 754652), (1147, 713860), (1295, 632276), (2170, 377326), (2294, 356930), (2590, 316138), (4340, 188663), (4588, 178465), (5099, 160580), (5180, 158069), (5735, 142772), (8029, 101980), (10198, 80290), (11470, 71386), (16058, 50990), (20396, 40145), (22940, 35693), (25495, 32116)]