428767880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11897}}^1$

素因数の和:11978

約数の個数: 64

約数和(自身を含む): 1040837040

約数和(自身を除く): 612069160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 4505, 7208, 9010, 11897, 18020, 23794, 36040, 47588, 59485, 95176, 118970, 202249, 237940, 404498, 475880, 630541, 808996, 1011245, 1261082, 1617992, 2022490, 2522164, 3152705, 4044980, 5044328, 6305410, 8089960, 10719197, 12610820, 21438394, 25221640, 42876788, 53595985, 85753576, 107191970, 214383940, 428767880]

約数ペア:

[(1, 428767880), (2, 214383940), (4, 107191970), (5, 85753576), (8, 53595985), (10, 42876788), (17, 25221640), (20, 21438394), (34, 12610820), (40, 10719197), (53, 8089960), (68, 6305410), (85, 5044328), (106, 4044980), (136, 3152705), (170, 2522164), (212, 2022490), (265, 1617992), (340, 1261082), (424, 1011245), (530, 808996), (680, 630541), (901, 475880), (1060, 404498), (1802, 237940), (2120, 202249), (3604, 118970), (4505, 95176), (7208, 59485), (9010, 47588), (11897, 36040), (18020, 23794)]