22385740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 52572240

約数和(自身を除く): 30186500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 179, 185, 260, 338, 358, 370, 481, 676, 716, 740, 845, 895, 962, 1690, 1790, 1924, 2327, 2405, 3380, 3580, 4654, 4810, 6253, 6623, 9308, 9620, 11635, 12506, 13246, 23270, 25012, 26492, 30251, 31265, 33115, 46540, 60502, 62530, 66230, 86099, 121004, 125060, 132460, 151255, 172198, 302510, 344396, 430495, 605020, 860990, 1119287, 1721980, 2238574, 4477148, 5596435, 11192870, 22385740]

約数ペア:

[(1, 22385740), (2, 11192870), (4, 5596435), (5, 4477148), (10, 2238574), (13, 1721980), (20, 1119287), (26, 860990), (37, 605020), (52, 430495), (65, 344396), (74, 302510), (130, 172198), (148, 151255), (169, 132460), (179, 125060), (185, 121004), (260, 86099), (338, 66230), (358, 62530), (370, 60502), (481, 46540), (676, 33115), (716, 31265), (740, 30251), (845, 26492), (895, 25012), (962, 23270), (1690, 13246), (1790, 12506), (1924, 11635), (2327, 9620), (2405, 9308), (3380, 6623), (3580, 6253), (4654, 4810)]