208769080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 515840400

約数和(自身を除く): 307071320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 169, 178, 260, 338, 347, 356, 445, 520, 676, 694, 712, 845, 890, 1157, 1352, 1388, 1690, 1735, 1780, 2314, 2776, 3380, 3470, 3560, 4511, 4628, 5785, 6760, 6940, 9022, 9256, 11570, 13880, 15041, 18044, 22555, 23140, 30082, 30883, 36088, 45110, 46280, 58643, 60164, 61766, 75205, 90220, 117286, 120328, 123532, 150410, 154415, 180440, 234572, 247064, 293215, 300820, 308830, 401479, 469144, 586430, 601640, 617660, 802958, 1172860, 1235320, 1605916, 2007395, 2345720, 3211832, 4014790, 5219227, 8029580, 10438454, 16059160, 20876908, 26096135, 41753816, 52192270, 104384540, 208769080]

約数ペア:

[(1, 208769080), (2, 104384540), (4, 52192270), (5, 41753816), (8, 26096135), (10, 20876908), (13, 16059160), (20, 10438454), (26, 8029580), (40, 5219227), (52, 4014790), (65, 3211832), (89, 2345720), (104, 2007395), (130, 1605916), (169, 1235320), (178, 1172860), (260, 802958), (338, 617660), (347, 601640), (356, 586430), (445, 469144), (520, 401479), (676, 308830), (694, 300820), (712, 293215), (845, 247064), (890, 234572), (1157, 180440), (1352, 154415), (1388, 150410), (1690, 123532), (1735, 120328), (1780, 117286), (2314, 90220), (2776, 75205), (3380, 61766), (3470, 60164), (3560, 58643), (4511, 46280), (4628, 45110), (5785, 36088), (6760, 30883), (6940, 30082), (9022, 23140), (9256, 22555), (11570, 18044), (13880, 15041)]