84399140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31729}}^1$

素因数の和:31764

約数の個数: 48

約数和(自身を含む): 213225600

約数和(自身を除く): 128826460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 31729, 63458, 126916, 158645, 222103, 317290, 444206, 602851, 634580, 888412, 1110515, 1205702, 2221030, 2411404, 3014255, 4219957, 4442060, 6028510, 8439914, 12057020, 16879828, 21099785, 42199570, 84399140]

約数ペア:

[(1, 84399140), (2, 42199570), (4, 21099785), (5, 16879828), (7, 12057020), (10, 8439914), (14, 6028510), (19, 4442060), (20, 4219957), (28, 3014255), (35, 2411404), (38, 2221030), (70, 1205702), (76, 1110515), (95, 888412), (133, 634580), (140, 602851), (190, 444206), (266, 317290), (380, 222103), (532, 158645), (665, 126916), (1330, 63458), (2660, 31729)]