2020100740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2339}}^1$

素因数の和:2585

約数の個数: 96

約数和(自身を含む): 5031936000

約数和(自身を除く): 3011835260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 199, 217, 310, 398, 434, 620, 796, 868, 995, 1085, 1393, 1990, 2170, 2339, 2786, 3980, 4340, 4678, 5572, 6169, 6965, 9356, 11695, 12338, 13930, 16373, 23390, 24676, 27860, 30845, 32746, 43183, 46780, 61690, 65492, 72509, 81865, 86366, 123380, 145018, 163730, 172732, 215915, 290036, 327460, 362545, 431830, 465461, 507563, 725090, 863660, 930922, 1015126, 1450180, 1861844, 2030252, 2327305, 2537815, 3258227, 4654610, 5075630, 6516454, 9309220, 10151260, 13032908, 14429291, 16291135, 28858582, 32582270, 57717164, 65164540, 72146455, 101005037, 144292910, 202010074, 288585820, 404020148, 505025185, 1010050370, 2020100740]

約数ペア:

[(1, 2020100740), (2, 1010050370), (4, 505025185), (5, 404020148), (7, 288585820), (10, 202010074), (14, 144292910), (20, 101005037), (28, 72146455), (31, 65164540), (35, 57717164), (62, 32582270), (70, 28858582), (124, 16291135), (140, 14429291), (155, 13032908), (199, 10151260), (217, 9309220), (310, 6516454), (398, 5075630), (434, 4654610), (620, 3258227), (796, 2537815), (868, 2327305), (995, 2030252), (1085, 1861844), (1393, 1450180), (1990, 1015126), (2170, 930922), (2339, 863660), (2786, 725090), (3980, 507563), (4340, 465461), (4678, 431830), (5572, 362545), (6169, 327460), (6965, 290036), (9356, 215915), (11695, 172732), (12338, 163730), (13930, 145018), (16373, 123380), (23390, 86366), (24676, 81865), (27860, 72509), (30845, 65492), (32746, 61690), (43183, 46780)]