239558020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 558835200

約数和(自身を除く): 319277180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 107, 109, 130, 158, 214, 218, 260, 316, 395, 428, 436, 535, 545, 790, 1027, 1070, 1090, 1391, 1417, 1580, 2054, 2140, 2180, 2782, 2834, 4108, 5135, 5564, 5668, 6955, 7085, 8453, 8611, 10270, 11663, 13910, 14170, 16906, 17222, 20540, 23326, 27820, 28340, 33812, 34444, 42265, 43055, 46652, 58315, 84530, 86110, 109889, 111943, 116630, 151619, 169060, 172220, 219778, 223886, 233260, 303238, 439556, 447772, 549445, 559715, 606476, 758095, 921377, 1098890, 1119430, 1516190, 1842754, 2197780, 2238860, 3032380, 3685508, 4606885, 9213770, 11977901, 18427540, 23955802, 47911604, 59889505, 119779010, 239558020]

約数ペア:

[(1, 239558020), (2, 119779010), (4, 59889505), (5, 47911604), (10, 23955802), (13, 18427540), (20, 11977901), (26, 9213770), (52, 4606885), (65, 3685508), (79, 3032380), (107, 2238860), (109, 2197780), (130, 1842754), (158, 1516190), (214, 1119430), (218, 1098890), (260, 921377), (316, 758095), (395, 606476), (428, 559715), (436, 549445), (535, 447772), (545, 439556), (790, 303238), (1027, 233260), (1070, 223886), (1090, 219778), (1391, 172220), (1417, 169060), (1580, 151619), (2054, 116630), (2140, 111943), (2180, 109889), (2782, 86110), (2834, 84530), (4108, 58315), (5135, 46652), (5564, 43055), (5668, 42265), (6955, 34444), (7085, 33812), (8453, 28340), (8611, 27820), (10270, 23326), (11663, 20540), (13910, 17222), (14170, 16906)]