2981490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 7776000

約数和(自身を除く): 4794510

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 149, 174, 230, 290, 298, 345, 435, 447, 667, 690, 745, 870, 894, 1334, 1490, 2001, 2235, 3335, 3427, 4002, 4321, 4470, 6670, 6854, 8642, 10005, 10281, 12963, 17135, 20010, 20562, 21605, 25926, 34270, 43210, 51405, 64815, 99383, 102810, 129630, 198766, 298149, 496915, 596298, 993830, 1490745, 2981490]

約数ペア:

[(1, 2981490), (2, 1490745), (3, 993830), (5, 596298), (6, 496915), (10, 298149), (15, 198766), (23, 129630), (29, 102810), (30, 99383), (46, 64815), (58, 51405), (69, 43210), (87, 34270), (115, 25926), (138, 21605), (145, 20562), (149, 20010), (174, 17135), (230, 12963), (290, 10281), (298, 10005), (345, 8642), (435, 6854), (447, 6670), (667, 4470), (690, 4321), (745, 4002), (870, 3427), (894, 3335), (1334, 2235), (1490, 2001)]