1405219340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:831

約数の個数: 96

約数和(自身を含む): 3437199360

約数和(自身を除く): 2031980020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 359, 365, 383, 511, 718, 730, 766, 1022, 1436, 1460, 1532, 1795, 1915, 2044, 2513, 2555, 2681, 3590, 3830, 5026, 5110, 5362, 7180, 7660, 10052, 10220, 10724, 12565, 13405, 25130, 26207, 26810, 27959, 50260, 52414, 53620, 55918, 104828, 111836, 131035, 137497, 139795, 183449, 195713, 262070, 274994, 279590, 366898, 391426, 524140, 549988, 559180, 687485, 733796, 782852, 917245, 962479, 978565, 1374970, 1834490, 1924958, 1957130, 2749940, 3668980, 3849916, 3914260, 4812395, 9624790, 10037281, 19249580, 20074562, 40149124, 50186405, 70260967, 100372810, 140521934, 200745620, 281043868, 351304835, 702609670, 1405219340]

約数ペア:

[(1, 1405219340), (2, 702609670), (4, 351304835), (5, 281043868), (7, 200745620), (10, 140521934), (14, 100372810), (20, 70260967), (28, 50186405), (35, 40149124), (70, 20074562), (73, 19249580), (140, 10037281), (146, 9624790), (292, 4812395), (359, 3914260), (365, 3849916), (383, 3668980), (511, 2749940), (718, 1957130), (730, 1924958), (766, 1834490), (1022, 1374970), (1436, 978565), (1460, 962479), (1532, 917245), (1795, 782852), (1915, 733796), (2044, 687485), (2513, 559180), (2555, 549988), (2681, 524140), (3590, 391426), (3830, 366898), (5026, 279590), (5110, 274994), (5362, 262070), (7180, 195713), (7660, 183449), (10052, 139795), (10220, 137497), (10724, 131035), (12565, 111836), (13405, 104828), (25130, 55918), (26207, 53620), (26810, 52414), (27959, 50260)]