4779640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 11384280

約数和(自身を除く): 6604640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 331, 361, 380, 662, 722, 760, 1324, 1444, 1655, 1805, 2648, 2888, 3310, 3610, 6289, 6620, 7220, 12578, 13240, 14440, 25156, 31445, 50312, 62890, 119491, 125780, 238982, 251560, 477964, 597455, 955928, 1194910, 2389820, 4779640]

約数ペア:

[(1, 4779640), (2, 2389820), (4, 1194910), (5, 955928), (8, 597455), (10, 477964), (19, 251560), (20, 238982), (38, 125780), (40, 119491), (76, 62890), (95, 50312), (152, 31445), (190, 25156), (331, 14440), (361, 13240), (380, 12578), (662, 7220), (722, 6620), (760, 6289), (1324, 3610), (1444, 3310), (1655, 2888), (1805, 2648)]