129986800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 332121600

約数和(自身を除く): 202134800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 71, 80, 92, 100, 115, 142, 184, 199, 200, 230, 284, 355, 368, 398, 400, 460, 568, 575, 710, 796, 920, 995, 1136, 1150, 1420, 1592, 1633, 1775, 1840, 1990, 2300, 2840, 3184, 3266, 3550, 3980, 4577, 4600, 4975, 5680, 6532, 7100, 7960, 8165, 9154, 9200, 9950, 13064, 14129, 14200, 15920, 16330, 18308, 19900, 22885, 26128, 28258, 28400, 32660, 36616, 39800, 40825, 45770, 56516, 65320, 70645, 73232, 79600, 81650, 91540, 113032, 114425, 130640, 141290, 163300, 183080, 226064, 228850, 282580, 324967, 326600, 353225, 366160, 457700, 565160, 649934, 653200, 706450, 915400, 1130320, 1299868, 1412900, 1624835, 1830800, 2599736, 2825800, 3249670, 5199472, 5651600, 6499340, 8124175, 12998680, 16248350, 25997360, 32496700, 64993400, 129986800]

約数ペア:

[(1, 129986800), (2, 64993400), (4, 32496700), (5, 25997360), (8, 16248350), (10, 12998680), (16, 8124175), (20, 6499340), (23, 5651600), (25, 5199472), (40, 3249670), (46, 2825800), (50, 2599736), (71, 1830800), (80, 1624835), (92, 1412900), (100, 1299868), (115, 1130320), (142, 915400), (184, 706450), (199, 653200), (200, 649934), (230, 565160), (284, 457700), (355, 366160), (368, 353225), (398, 326600), (400, 324967), (460, 282580), (568, 228850), (575, 226064), (710, 183080), (796, 163300), (920, 141290), (995, 130640), (1136, 114425), (1150, 113032), (1420, 91540), (1592, 81650), (1633, 79600), (1775, 73232), (1840, 70645), (1990, 65320), (2300, 56516), (2840, 45770), (3184, 40825), (3266, 39800), (3550, 36616), (3980, 32660), (4577, 28400), (4600, 28258), (4975, 26128), (5680, 22885), (6532, 19900), (7100, 18308), (7960, 16330), (8165, 15920), (9154, 14200), (9200, 14129), (9950, 13064)]