100908920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1811}}^1$

素因数の和:2028

約数の個数: 64

約数和(自身を含む): 260928000

約数和(自身を除く): 160019080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1811, 1990, 2786, 3622, 3980, 5572, 6965, 7244, 7960, 9055, 11144, 12677, 13930, 14488, 18110, 25354, 27860, 36220, 50708, 55720, 63385, 72440, 101416, 126770, 253540, 360389, 507080, 720778, 1441556, 1801945, 2522723, 2883112, 3603890, 5045446, 7207780, 10090892, 12613615, 14415560, 20181784, 25227230, 50454460, 100908920]

約数ペア:

[(1, 100908920), (2, 50454460), (4, 25227230), (5, 20181784), (7, 14415560), (8, 12613615), (10, 10090892), (14, 7207780), (20, 5045446), (28, 3603890), (35, 2883112), (40, 2522723), (56, 1801945), (70, 1441556), (140, 720778), (199, 507080), (280, 360389), (398, 253540), (796, 126770), (995, 101416), (1393, 72440), (1592, 63385), (1811, 55720), (1990, 50708), (2786, 36220), (3622, 27860), (3980, 25354), (5572, 18110), (6965, 14488), (7244, 13930), (7960, 12677), (9055, 11144)]