248581970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1579}}^1$

素因数の和:1779

約数の個数: 64

約数和(自身を含む): 554238720

約数和(自身を除く): 305656750

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 173, 182, 346, 455, 865, 910, 1211, 1579, 1730, 2249, 2422, 3158, 4498, 6055, 7895, 11053, 11245, 12110, 15743, 15790, 20527, 22106, 22490, 31486, 41054, 55265, 78715, 102635, 110530, 143689, 157430, 205270, 273167, 287378, 546334, 718445, 1365835, 1436890, 1912169, 2731670, 3551171, 3824338, 7102342, 9560845, 17755855, 19121690, 24858197, 35511710, 49716394, 124290985, 248581970]

約数ペア:

[(1, 248581970), (2, 124290985), (5, 49716394), (7, 35511710), (10, 24858197), (13, 19121690), (14, 17755855), (26, 9560845), (35, 7102342), (65, 3824338), (70, 3551171), (91, 2731670), (130, 1912169), (173, 1436890), (182, 1365835), (346, 718445), (455, 546334), (865, 287378), (910, 273167), (1211, 205270), (1579, 157430), (1730, 143689), (2249, 110530), (2422, 102635), (3158, 78715), (4498, 55265), (6055, 41054), (7895, 31486), (11053, 22490), (11245, 22106), (12110, 20527), (15743, 15790)]