396299540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{217747}}^1$

素因数の和:217776

約数の個数: 48

約数和(自身を含む): 1024286592

約数和(自身を除く): 627987052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 217747, 435494, 870988, 1088735, 1524229, 2177470, 2830711, 3048458, 4354940, 5661422, 6096916, 7621145, 11322844, 14153555, 15242290, 19814977, 28307110, 30484580, 39629954, 56614220, 79259908, 99074885, 198149770, 396299540]

約数ペア:

[(1, 396299540), (2, 198149770), (4, 99074885), (5, 79259908), (7, 56614220), (10, 39629954), (13, 30484580), (14, 28307110), (20, 19814977), (26, 15242290), (28, 14153555), (35, 11322844), (52, 7621145), (65, 6096916), (70, 5661422), (91, 4354940), (130, 3048458), (140, 2830711), (182, 2177470), (260, 1524229), (364, 1088735), (455, 870988), (910, 435494), (1820, 217747)]