210899080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18371}}^1$

素因数の和:18430

約数の個数: 64

約数和(自身を含む): 555569280

約数和(自身を除く): 344670200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 18371, 36742, 73484, 91855, 128597, 146968, 183710, 257194, 367420, 514388, 642985, 734840, 753211, 1028776, 1285970, 1506422, 2571940, 3012844, 3766055, 5143880, 5272477, 6025688, 7532110, 10544954, 15064220, 21089908, 26362385, 30128440, 42179816, 52724770, 105449540, 210899080]

約数ペア:

[(1, 210899080), (2, 105449540), (4, 52724770), (5, 42179816), (7, 30128440), (8, 26362385), (10, 21089908), (14, 15064220), (20, 10544954), (28, 7532110), (35, 6025688), (40, 5272477), (41, 5143880), (56, 3766055), (70, 3012844), (82, 2571940), (140, 1506422), (164, 1285970), (205, 1028776), (280, 753211), (287, 734840), (328, 642985), (410, 514388), (574, 367420), (820, 257194), (1148, 183710), (1435, 146968), (1640, 128597), (2296, 91855), (2870, 73484), (5740, 36742), (11480, 18371)]