207364880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 497968128

約数和(自身を除く): 290603248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 191, 205, 328, 331, 382, 410, 656, 662, 764, 820, 955, 1324, 1528, 1640, 1655, 1910, 2648, 3056, 3280, 3310, 3820, 5296, 6620, 7640, 7831, 13240, 13571, 15280, 15662, 26480, 27142, 31324, 39155, 54284, 62648, 63221, 67855, 78310, 108568, 125296, 126442, 135710, 156620, 217136, 252884, 271420, 313240, 316105, 505768, 542840, 626480, 632210, 1011536, 1085680, 1264420, 2528840, 2592061, 5057680, 5184122, 10368244, 12960305, 20736488, 25920610, 41472976, 51841220, 103682440, 207364880]

約数ペア:

[(1, 207364880), (2, 103682440), (4, 51841220), (5, 41472976), (8, 25920610), (10, 20736488), (16, 12960305), (20, 10368244), (40, 5184122), (41, 5057680), (80, 2592061), (82, 2528840), (164, 1264420), (191, 1085680), (205, 1011536), (328, 632210), (331, 626480), (382, 542840), (410, 505768), (656, 316105), (662, 313240), (764, 271420), (820, 252884), (955, 217136), (1324, 156620), (1528, 135710), (1640, 126442), (1655, 125296), (1910, 108568), (2648, 78310), (3056, 67855), (3280, 63221), (3310, 62648), (3820, 54284), (5296, 39155), (6620, 31324), (7640, 27142), (7831, 26480), (13240, 15662), (13571, 15280)]