1273965460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1\times {\mathrm{1993}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 2765693952

約数和(自身を除く): 1491728492

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1031, 1993, 2062, 3986, 4124, 5155, 7972, 9965, 10310, 19930, 20620, 31961, 39860, 61783, 63922, 123566, 127844, 159805, 247132, 308915, 319610, 617830, 639220, 1235660, 2054783, 4109566, 8219132, 10273915, 20547830, 41095660, 63698273, 127396546, 254793092, 318491365, 636982730, 1273965460]

約数ペア:

[(1, 1273965460), (2, 636982730), (4, 318491365), (5, 254793092), (10, 127396546), (20, 63698273), (31, 41095660), (62, 20547830), (124, 10273915), (155, 8219132), (310, 4109566), (620, 2054783), (1031, 1235660), (1993, 639220), (2062, 617830), (3986, 319610), (4124, 308915), (5155, 247132), (7972, 159805), (9965, 127844), (10310, 123566), (19930, 63922), (20620, 61783), (31961, 39860)]