7831280920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1\times {\mathrm{4211}}^1$

素因数の和:6688

約数の個数: 64

約数和(自身を含む): 18559756800

約数和(自身を除く): 10728475880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2447, 4211, 4894, 8422, 9788, 12235, 16844, 19576, 21055, 24470, 33688, 42110, 46493, 48940, 80009, 84220, 92986, 97880, 160018, 168440, 185972, 232465, 320036, 371944, 400045, 464930, 640072, 800090, 929860, 1600180, 1859720, 3200360, 10304317, 20608634, 41217268, 51521585, 82434536, 103043170, 195782023, 206086340, 391564046, 412172680, 783128092, 978910115, 1566256184, 1957820230, 3915640460, 7831280920]

約数ペア:

[(1, 7831280920), (2, 3915640460), (4, 1957820230), (5, 1566256184), (8, 978910115), (10, 783128092), (19, 412172680), (20, 391564046), (38, 206086340), (40, 195782023), (76, 103043170), (95, 82434536), (152, 51521585), (190, 41217268), (380, 20608634), (760, 10304317), (2447, 3200360), (4211, 1859720), (4894, 1600180), (8422, 929860), (9788, 800090), (12235, 640072), (16844, 464930), (19576, 400045), (21055, 371944), (24470, 320036), (33688, 232465), (42110, 185972), (46493, 168440), (48940, 160018), (80009, 97880), (84220, 92986)]