17741620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 41965560

約数和(自身を除く): 24223940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 181, 260, 290, 338, 362, 377, 580, 676, 724, 754, 845, 905, 1508, 1690, 1810, 1885, 2353, 3380, 3620, 3770, 4706, 4901, 5249, 7540, 9412, 9802, 10498, 11765, 19604, 20996, 23530, 24505, 26245, 30589, 47060, 49010, 52490, 61178, 68237, 98020, 104980, 122356, 136474, 152945, 272948, 305890, 341185, 611780, 682370, 887081, 1364740, 1774162, 3548324, 4435405, 8870810, 17741620]

約数ペア:

[(1, 17741620), (2, 8870810), (4, 4435405), (5, 3548324), (10, 1774162), (13, 1364740), (20, 887081), (26, 682370), (29, 611780), (52, 341185), (58, 305890), (65, 272948), (116, 152945), (130, 136474), (145, 122356), (169, 104980), (181, 98020), (260, 68237), (290, 61178), (338, 52490), (362, 49010), (377, 47060), (580, 30589), (676, 26245), (724, 24505), (754, 23530), (845, 20996), (905, 19604), (1508, 11765), (1690, 10498), (1810, 9802), (1885, 9412), (2353, 7540), (3380, 5249), (3620, 4901), (3770, 4706)]