290839640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79901}}^1$

素因数の和:79932

約数の個数: 64

約数和(自身を含む): 805412160

約数和(自身を除く): 514572520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 79901, 159802, 319604, 399505, 559307, 639208, 799010, 1038713, 1118614, 1598020, 2077426, 2237228, 2796535, 3196040, 4154852, 4474456, 5193565, 5593070, 7270991, 8309704, 10387130, 11186140, 14541982, 20774260, 22372280, 29083964, 36354955, 41548520, 58167928, 72709910, 145419820, 290839640]

約数ペア:

[(1, 290839640), (2, 145419820), (4, 72709910), (5, 58167928), (7, 41548520), (8, 36354955), (10, 29083964), (13, 22372280), (14, 20774260), (20, 14541982), (26, 11186140), (28, 10387130), (35, 8309704), (40, 7270991), (52, 5593070), (56, 5193565), (65, 4474456), (70, 4154852), (91, 3196040), (104, 2796535), (130, 2237228), (140, 2077426), (182, 1598020), (260, 1118614), (280, 1038713), (364, 799010), (455, 639208), (520, 559307), (728, 399505), (910, 319604), (1820, 159802), (3640, 79901)]