215900826620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1378501}}^1$

素因数の和:1378742

約数の個数: 48

約数和(自身を含む): 466882085376

約数和(自身を除く): 250981258756

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 764, 820, 955, 1910, 3820, 7831, 15662, 31324, 39155, 78310, 156620, 1378501, 2757002, 5514004, 6892505, 13785010, 27570020, 56518541, 113037082, 226074164, 263293691, 282592705, 526587382, 565185410, 1053174764, 1130370820, 1316468455, 2632936910, 5265873820, 10795041331, 21590082662, 43180165324, 53975206655, 107950413310, 215900826620]

約数ペア:

[(1, 215900826620), (2, 107950413310), (4, 53975206655), (5, 43180165324), (10, 21590082662), (20, 10795041331), (41, 5265873820), (82, 2632936910), (164, 1316468455), (191, 1130370820), (205, 1053174764), (382, 565185410), (410, 526587382), (764, 282592705), (820, 263293691), (955, 226074164), (1910, 113037082), (3820, 56518541), (7831, 27570020), (15662, 13785010), (31324, 6892505), (39155, 5514004), (78310, 2757002), (156620, 1378501)]