84731830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 167832000

約数和(自身を除く): 83100170

約数列:

[1, 2, 5, 10, 19, 38, 41, 73, 82, 95, 146, 149, 190, 205, 298, 365, 410, 730, 745, 779, 1387, 1490, 1558, 2774, 2831, 2993, 3895, 5662, 5986, 6109, 6935, 7790, 10877, 12218, 13870, 14155, 14965, 21754, 28310, 29930, 30545, 54385, 56867, 61090, 108770, 113734, 116071, 206663, 232142, 284335, 413326, 445957, 568670, 580355, 891914, 1033315, 1160710, 2066630, 2229785, 4459570, 8473183, 16946366, 42365915, 84731830]

約数ペア:

[(1, 84731830), (2, 42365915), (5, 16946366), (10, 8473183), (19, 4459570), (38, 2229785), (41, 2066630), (73, 1160710), (82, 1033315), (95, 891914), (146, 580355), (149, 568670), (190, 445957), (205, 413326), (298, 284335), (365, 232142), (410, 206663), (730, 116071), (745, 113734), (779, 108770), (1387, 61090), (1490, 56867), (1558, 54385), (2774, 30545), (2831, 29930), (2993, 28310), (3895, 21754), (5662, 14965), (5986, 14155), (6109, 13870), (6935, 12218), (7790, 10877)]