201756880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 507467520

約数和(自身を除く): 305710640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 419, 463, 520, 838, 926, 1040, 1676, 1852, 2095, 2315, 3352, 3704, 4190, 4630, 5447, 6019, 6704, 7408, 8380, 9260, 10894, 12038, 16760, 18520, 21788, 24076, 27235, 30095, 33520, 37040, 43576, 48152, 54470, 60190, 87152, 96304, 108940, 120380, 193997, 217880, 240760, 387994, 435760, 481520, 775988, 969985, 1551976, 1939970, 2521961, 3103952, 3879940, 5043922, 7759880, 10087844, 12609805, 15519760, 20175688, 25219610, 40351376, 50439220, 100878440, 201756880]

約数ペア:

[(1, 201756880), (2, 100878440), (4, 50439220), (5, 40351376), (8, 25219610), (10, 20175688), (13, 15519760), (16, 12609805), (20, 10087844), (26, 7759880), (40, 5043922), (52, 3879940), (65, 3103952), (80, 2521961), (104, 1939970), (130, 1551976), (208, 969985), (260, 775988), (419, 481520), (463, 435760), (520, 387994), (838, 240760), (926, 217880), (1040, 193997), (1676, 120380), (1852, 108940), (2095, 96304), (2315, 87152), (3352, 60190), (3704, 54470), (4190, 48152), (4630, 43576), (5447, 37040), (6019, 33520), (6704, 30095), (7408, 27235), (8380, 24076), (9260, 21788), (10894, 18520), (12038, 16760)]