207447700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2663}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 485593920

約数和(自身を除く): 278146220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2050, 2663, 3116, 3895, 4100, 5326, 7790, 10652, 13315, 15580, 19475, 26630, 38950, 50597, 53260, 66575, 77900, 101194, 109183, 133150, 202388, 218366, 252985, 266300, 436732, 505970, 545915, 1011940, 1091830, 1264925, 2074477, 2183660, 2529850, 2729575, 4148954, 5059700, 5459150, 8297908, 10372385, 10918300, 20744770, 41489540, 51861925, 103723850, 207447700]

約数ペア:

[(1, 207447700), (2, 103723850), (4, 51861925), (5, 41489540), (10, 20744770), (19, 10918300), (20, 10372385), (25, 8297908), (38, 5459150), (41, 5059700), (50, 4148954), (76, 2729575), (82, 2529850), (95, 2183660), (100, 2074477), (164, 1264925), (190, 1091830), (205, 1011940), (380, 545915), (410, 505970), (475, 436732), (779, 266300), (820, 252985), (950, 218366), (1025, 202388), (1558, 133150), (1900, 109183), (2050, 101194), (2663, 77900), (3116, 66575), (3895, 53260), (4100, 50597), (5326, 38950), (7790, 26630), (10652, 19475), (13315, 15580)]