154799080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1367}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 369360000

約数和(自身を除く): 214560920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1367, 1490, 2734, 2831, 2980, 5468, 5662, 5960, 6835, 10936, 11324, 13670, 14155, 22648, 25973, 27340, 28310, 51946, 54680, 56620, 103892, 113240, 129865, 203683, 207784, 259730, 407366, 519460, 814732, 1018415, 1038920, 1629464, 2036830, 3869977, 4073660, 7739954, 8147320, 15479908, 19349885, 30959816, 38699770, 77399540, 154799080]

約数ペア:

[(1, 154799080), (2, 77399540), (4, 38699770), (5, 30959816), (8, 19349885), (10, 15479908), (19, 8147320), (20, 7739954), (38, 4073660), (40, 3869977), (76, 2036830), (95, 1629464), (149, 1038920), (152, 1018415), (190, 814732), (298, 519460), (380, 407366), (596, 259730), (745, 207784), (760, 203683), (1192, 129865), (1367, 113240), (1490, 103892), (2734, 56620), (2831, 54680), (2980, 51946), (5468, 28310), (5662, 27340), (5960, 25973), (6835, 22648), (10936, 14155), (11324, 13670)]