2265940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 5140800

約数和(自身を除く): 2874860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 89, 95, 134, 178, 190, 268, 335, 356, 380, 445, 670, 890, 1273, 1340, 1691, 1780, 2546, 3382, 5092, 5963, 6365, 6764, 8455, 11926, 12730, 16910, 23852, 25460, 29815, 33820, 59630, 113297, 119260, 226594, 453188, 566485, 1132970, 2265940]

約数ペア:

[(1, 2265940), (2, 1132970), (4, 566485), (5, 453188), (10, 226594), (19, 119260), (20, 113297), (38, 59630), (67, 33820), (76, 29815), (89, 25460), (95, 23852), (134, 16910), (178, 12730), (190, 11926), (268, 8455), (335, 6764), (356, 6365), (380, 5963), (445, 5092), (670, 3382), (890, 2546), (1273, 1780), (1340, 1691)]