425198540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 987463680

約数和(自身を除く): 562265140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 127, 130, 158, 163, 254, 260, 316, 326, 395, 508, 635, 652, 790, 815, 1027, 1270, 1580, 1630, 1651, 2054, 2119, 2540, 3260, 3302, 4108, 4238, 5135, 6604, 8255, 8476, 10033, 10270, 10595, 12877, 16510, 20066, 20540, 20701, 21190, 25754, 33020, 40132, 41402, 42380, 50165, 51508, 64385, 82804, 100330, 103505, 128770, 130429, 167401, 200660, 207010, 257540, 260858, 269113, 334802, 414020, 521716, 538226, 652145, 669604, 837005, 1076452, 1304290, 1345565, 1635379, 1674010, 2608580, 2691130, 3270758, 3348020, 5382260, 6541516, 8176895, 16353790, 21259927, 32707580, 42519854, 85039708, 106299635, 212599270, 425198540]

約数ペア:

[(1, 425198540), (2, 212599270), (4, 106299635), (5, 85039708), (10, 42519854), (13, 32707580), (20, 21259927), (26, 16353790), (52, 8176895), (65, 6541516), (79, 5382260), (127, 3348020), (130, 3270758), (158, 2691130), (163, 2608580), (254, 1674010), (260, 1635379), (316, 1345565), (326, 1304290), (395, 1076452), (508, 837005), (635, 669604), (652, 652145), (790, 538226), (815, 521716), (1027, 414020), (1270, 334802), (1580, 269113), (1630, 260858), (1651, 257540), (2054, 207010), (2119, 200660), (2540, 167401), (3260, 130429), (3302, 128770), (4108, 103505), (4238, 100330), (5135, 82804), (6604, 64385), (8255, 51508), (8476, 50165), (10033, 42380), (10270, 41402), (10595, 40132), (12877, 33020), (16510, 25754), (20066, 21190), (20540, 20701)]