885456220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{21523}}^1$

素因数の和:21571

約数の個数: 72

約数和(自身を含む): 2164195152

約数和(自身を除く): 1278738932

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3740, 4114, 8228, 10285, 20570, 21523, 41140, 43046, 86092, 107615, 215230, 236753, 365891, 430460, 473506, 731782, 947012, 1183765, 1463564, 1829455, 2367530, 2604283, 3658910, 4024801, 4735060, 5208566, 7317820, 8049602, 10417132, 13021415, 16099204, 20124005, 26042830, 40248010, 44272811, 52085660, 80496020, 88545622, 177091244, 221364055, 442728110, 885456220]

約数ペア:

[(1, 885456220), (2, 442728110), (4, 221364055), (5, 177091244), (10, 88545622), (11, 80496020), (17, 52085660), (20, 44272811), (22, 40248010), (34, 26042830), (44, 20124005), (55, 16099204), (68, 13021415), (85, 10417132), (110, 8049602), (121, 7317820), (170, 5208566), (187, 4735060), (220, 4024801), (242, 3658910), (340, 2604283), (374, 2367530), (484, 1829455), (605, 1463564), (748, 1183765), (935, 947012), (1210, 731782), (1870, 473506), (2057, 430460), (2420, 365891), (3740, 236753), (4114, 215230), (8228, 107615), (10285, 86092), (20570, 43046), (21523, 41140)]