8989090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:88

約数の個数: 96

約数和(自身を含む): 20684160

約数和(自身を除く): 11695070

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 23, 34, 38, 46, 55, 85, 95, 110, 115, 121, 170, 187, 190, 209, 230, 242, 253, 323, 374, 391, 418, 437, 506, 605, 646, 782, 874, 935, 1045, 1210, 1265, 1615, 1870, 1955, 2057, 2090, 2185, 2299, 2530, 2783, 3230, 3553, 3910, 4114, 4301, 4370, 4598, 4807, 5566, 7106, 7429, 8602, 9614, 10285, 11495, 13915, 14858, 17765, 20570, 21505, 22990, 24035, 27830, 35530, 37145, 39083, 43010, 47311, 48070, 52877, 74290, 78166, 81719, 94622, 105754, 163438, 195415, 236555, 264385, 390830, 408595, 473110, 528770, 817190, 898909, 1797818, 4494545, 8989090]

約数ペア:

[(1, 8989090), (2, 4494545), (5, 1797818), (10, 898909), (11, 817190), (17, 528770), (19, 473110), (22, 408595), (23, 390830), (34, 264385), (38, 236555), (46, 195415), (55, 163438), (85, 105754), (95, 94622), (110, 81719), (115, 78166), (121, 74290), (170, 52877), (187, 48070), (190, 47311), (209, 43010), (230, 39083), (242, 37145), (253, 35530), (323, 27830), (374, 24035), (391, 22990), (418, 21505), (437, 20570), (506, 17765), (605, 14858), (646, 13915), (782, 11495), (874, 10285), (935, 9614), (1045, 8602), (1210, 7429), (1265, 7106), (1615, 5566), (1870, 4807), (1955, 4598), (2057, 4370), (2090, 4301), (2185, 4114), (2299, 3910), (2530, 3553), (2783, 3230)]