7789100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 18884208

約数和(自身を除く): 11095108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 97, 100, 110, 146, 194, 220, 275, 292, 365, 388, 485, 550, 730, 803, 970, 1067, 1100, 1460, 1606, 1825, 1940, 2134, 2425, 3212, 3650, 4015, 4268, 4850, 5335, 7081, 7300, 8030, 9700, 10670, 14162, 16060, 20075, 21340, 26675, 28324, 35405, 40150, 53350, 70810, 77891, 80300, 106700, 141620, 155782, 177025, 311564, 354050, 389455, 708100, 778910, 1557820, 1947275, 3894550, 7789100]

約数ペア:

[(1, 7789100), (2, 3894550), (4, 1947275), (5, 1557820), (10, 778910), (11, 708100), (20, 389455), (22, 354050), (25, 311564), (44, 177025), (50, 155782), (55, 141620), (73, 106700), (97, 80300), (100, 77891), (110, 70810), (146, 53350), (194, 40150), (220, 35405), (275, 28324), (292, 26675), (365, 21340), (388, 20075), (485, 16060), (550, 14162), (730, 10670), (803, 9700), (970, 8030), (1067, 7300), (1100, 7081), (1460, 5335), (1606, 4850), (1825, 4268), (1940, 4015), (2134, 3650), (2425, 3212)]