1991232358520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47041}}^1\times {\mathrm{55697}}^1$

素因数の和:102768

約数の個数: 64

約数和(自身を含む): 4716261568800

約数和(自身を除く): 2725029210280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 47041, 55697, 94082, 111394, 188164, 222788, 235205, 278485, 376328, 445576, 470410, 556970, 893779, 940820, 1058243, 1113940, 1787558, 1881640, 2116486, 2227880, 3575116, 4232972, 4468895, 5291215, 7150232, 8465944, 8937790, 10582430, 17875580, 21164860, 35751160, 42329720, 2620042577, 5240085154, 10480170308, 13100212885, 20960340616, 26200425770, 49780808963, 52400851540, 99561617926, 104801703080, 199123235852, 248904044815, 398246471704, 497808089630, 995616179260, 1991232358520]

約数ペア:

[(1, 1991232358520), (2, 995616179260), (4, 497808089630), (5, 398246471704), (8, 248904044815), (10, 199123235852), (19, 104801703080), (20, 99561617926), (38, 52400851540), (40, 49780808963), (76, 26200425770), (95, 20960340616), (152, 13100212885), (190, 10480170308), (380, 5240085154), (760, 2620042577), (47041, 42329720), (55697, 35751160), (94082, 21164860), (111394, 17875580), (188164, 10582430), (222788, 8937790), (235205, 8465944), (278485, 7150232), (376328, 5291215), (445576, 4468895), (470410, 4232972), (556970, 3575116), (893779, 2227880), (940820, 2116486), (1058243, 1881640), (1113940, 1787558)]