251012320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9283}}^1$

素因数の和:9324

約数の個数: 72

約数和(自身を含む): 642211416

約数和(自身を除く): 391199096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 9283, 13520, 18566, 27040, 37132, 46415, 74264, 92830, 120679, 148528, 185660, 241358, 297056, 371320, 482716, 603395, 742640, 965432, 1206790, 1485280, 1568827, 1930864, 2413580, 3137654, 3861728, 4827160, 6275308, 7844135, 9654320, 12550616, 15688270, 19308640, 25101232, 31376540, 50202464, 62753080, 125506160, 251012320]

約数ペア:

[(1, 251012320), (2, 125506160), (4, 62753080), (5, 50202464), (8, 31376540), (10, 25101232), (13, 19308640), (16, 15688270), (20, 12550616), (26, 9654320), (32, 7844135), (40, 6275308), (52, 4827160), (65, 3861728), (80, 3137654), (104, 2413580), (130, 1930864), (160, 1568827), (169, 1485280), (208, 1206790), (260, 965432), (338, 742640), (416, 603395), (520, 482716), (676, 371320), (845, 297056), (1040, 241358), (1352, 185660), (1690, 148528), (2080, 120679), (2704, 92830), (3380, 74264), (5408, 46415), (6760, 37132), (9283, 27040), (13520, 18566)]