1902320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 5237760

約数和(自身を除く): 3335440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 79, 80, 86, 112, 140, 158, 172, 215, 280, 301, 316, 344, 395, 430, 553, 560, 602, 632, 688, 790, 860, 1106, 1204, 1264, 1505, 1580, 1720, 2212, 2408, 2765, 3010, 3160, 3397, 3440, 4424, 4816, 5530, 6020, 6320, 6794, 8848, 11060, 12040, 13588, 16985, 22120, 23779, 24080, 27176, 33970, 44240, 47558, 54352, 67940, 95116, 118895, 135880, 190232, 237790, 271760, 380464, 475580, 951160, 1902320]

約数ペア:

[(1, 1902320), (2, 951160), (4, 475580), (5, 380464), (7, 271760), (8, 237790), (10, 190232), (14, 135880), (16, 118895), (20, 95116), (28, 67940), (35, 54352), (40, 47558), (43, 44240), (56, 33970), (70, 27176), (79, 24080), (80, 23779), (86, 22120), (112, 16985), (140, 13588), (158, 12040), (172, 11060), (215, 8848), (280, 6794), (301, 6320), (316, 6020), (344, 5530), (395, 4816), (430, 4424), (553, 3440), (560, 3397), (602, 3160), (632, 3010), (688, 2765), (790, 2408), (860, 2212), (1106, 1720), (1204, 1580), (1264, 1505)]