206810020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 482630400

約数和(自身を除く): 275820380

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 37, 46, 58, 74, 92, 115, 116, 145, 148, 185, 230, 290, 370, 419, 460, 580, 667, 740, 838, 851, 1073, 1334, 1676, 1702, 2095, 2146, 2668, 3335, 3404, 4190, 4255, 4292, 5365, 6670, 8380, 8510, 9637, 10730, 12151, 13340, 15503, 17020, 19274, 21460, 24302, 24679, 31006, 38548, 48185, 48604, 49358, 60755, 62012, 77515, 96370, 98716, 121510, 123395, 155030, 192740, 243020, 246790, 279473, 310060, 356569, 449587, 493580, 558946, 713138, 899174, 1117892, 1397365, 1426276, 1782845, 1798348, 2247935, 2794730, 3565690, 4495870, 5589460, 7131380, 8991740, 10340501, 20681002, 41362004, 51702505, 103405010, 206810020]

約数ペア:

[(1, 206810020), (2, 103405010), (4, 51702505), (5, 41362004), (10, 20681002), (20, 10340501), (23, 8991740), (29, 7131380), (37, 5589460), (46, 4495870), (58, 3565690), (74, 2794730), (92, 2247935), (115, 1798348), (116, 1782845), (145, 1426276), (148, 1397365), (185, 1117892), (230, 899174), (290, 713138), (370, 558946), (419, 493580), (460, 449587), (580, 356569), (667, 310060), (740, 279473), (838, 246790), (851, 243020), (1073, 192740), (1334, 155030), (1676, 123395), (1702, 121510), (2095, 98716), (2146, 96370), (2668, 77515), (3335, 62012), (3404, 60755), (4190, 49358), (4255, 48604), (4292, 48185), (5365, 38548), (6670, 31006), (8380, 24679), (8510, 24302), (9637, 21460), (10730, 19274), (12151, 17020), (13340, 15503)]