235173880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:2000

約数の個数: 64

約数和(自身を含む): 549156960

約数和(自身を除く): 313983080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 215, 292, 344, 365, 430, 584, 730, 860, 1460, 1720, 1873, 2920, 3139, 3746, 6278, 7492, 9365, 12556, 14984, 15695, 18730, 25112, 31390, 37460, 62780, 74920, 80539, 125560, 136729, 161078, 273458, 322156, 402695, 546916, 644312, 683645, 805390, 1093832, 1367290, 1610780, 2734580, 3221560, 5469160, 5879347, 11758694, 23517388, 29396735, 47034776, 58793470, 117586940, 235173880]

約数ペア:

[(1, 235173880), (2, 117586940), (4, 58793470), (5, 47034776), (8, 29396735), (10, 23517388), (20, 11758694), (40, 5879347), (43, 5469160), (73, 3221560), (86, 2734580), (146, 1610780), (172, 1367290), (215, 1093832), (292, 805390), (344, 683645), (365, 644312), (430, 546916), (584, 402695), (730, 322156), (860, 273458), (1460, 161078), (1720, 136729), (1873, 125560), (2920, 80539), (3139, 74920), (3746, 62780), (6278, 37460), (7492, 31390), (9365, 25112), (12556, 18730), (14984, 15695)]