216230380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{5107}}^1$

素因数の和:5218

約数の個数: 48

約数和(自身を含む): 476269920

約数和(自身を除く): 260039540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 4234, 5107, 8468, 10214, 10585, 20428, 21170, 25535, 42340, 51070, 102140, 148103, 296206, 372811, 592412, 740515, 745622, 1481030, 1491244, 1864055, 2962060, 3728110, 7456220, 10811519, 21623038, 43246076, 54057595, 108115190, 216230380]

約数ペア:

[(1, 216230380), (2, 108115190), (4, 54057595), (5, 43246076), (10, 21623038), (20, 10811519), (29, 7456220), (58, 3728110), (73, 2962060), (116, 1864055), (145, 1491244), (146, 1481030), (290, 745622), (292, 740515), (365, 592412), (580, 372811), (730, 296206), (1460, 148103), (2117, 102140), (4234, 51070), (5107, 42340), (8468, 25535), (10214, 21170), (10585, 20428)]