289074760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{977}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 702399600

約数和(自身を除く): 413324840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 569, 977, 1138, 1954, 2276, 2845, 3908, 4552, 4885, 5690, 7397, 7816, 9770, 11380, 12701, 14794, 19540, 22760, 25402, 29588, 36985, 39080, 50804, 59176, 63505, 73970, 101608, 127010, 147940, 254020, 295880, 508040, 555913, 1111826, 2223652, 2779565, 4447304, 5559130, 7226869, 11118260, 14453738, 22236520, 28907476, 36134345, 57814952, 72268690, 144537380, 289074760]

約数ペア:

[(1, 289074760), (2, 144537380), (4, 72268690), (5, 57814952), (8, 36134345), (10, 28907476), (13, 22236520), (20, 14453738), (26, 11118260), (40, 7226869), (52, 5559130), (65, 4447304), (104, 2779565), (130, 2223652), (260, 1111826), (520, 555913), (569, 508040), (977, 295880), (1138, 254020), (1954, 147940), (2276, 127010), (2845, 101608), (3908, 73970), (4552, 63505), (4885, 59176), (5690, 50804), (7397, 39080), (7816, 36985), (9770, 29588), (11380, 25402), (12701, 22760), (14794, 19540)]