1123122020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 2487324672

約数和(自身を除く): 1364202652

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 101, 142, 164, 191, 202, 205, 284, 355, 382, 404, 410, 505, 710, 764, 820, 955, 1010, 1420, 1910, 2020, 2911, 3820, 4141, 5822, 7171, 7831, 8282, 11644, 13561, 14342, 14555, 15662, 16564, 19291, 20705, 27122, 28684, 29110, 31324, 35855, 38582, 39155, 41410, 54244, 58220, 67805, 71710, 77164, 78310, 82820, 96455, 135610, 143420, 156620, 192910, 271220, 294011, 385820, 556001, 588022, 790931, 1112002, 1176044, 1369661, 1470055, 1581862, 2224004, 2739322, 2780005, 2940110, 3163724, 3954655, 5478644, 5560010, 5880220, 6848305, 7909310, 11120020, 13696610, 15818620, 27393220, 56156101, 112312202, 224624404, 280780505, 561561010, 1123122020]

約数ペア:

[(1, 1123122020), (2, 561561010), (4, 280780505), (5, 224624404), (10, 112312202), (20, 56156101), (41, 27393220), (71, 15818620), (82, 13696610), (101, 11120020), (142, 7909310), (164, 6848305), (191, 5880220), (202, 5560010), (205, 5478644), (284, 3954655), (355, 3163724), (382, 2940110), (404, 2780005), (410, 2739322), (505, 2224004), (710, 1581862), (764, 1470055), (820, 1369661), (955, 1176044), (1010, 1112002), (1420, 790931), (1910, 588022), (2020, 556001), (2911, 385820), (3820, 294011), (4141, 271220), (5822, 192910), (7171, 156620), (7831, 143420), (8282, 135610), (11644, 96455), (13561, 82820), (14342, 78310), (14555, 77164), (15662, 71710), (16564, 67805), (19291, 58220), (20705, 54244), (27122, 41410), (28684, 39155), (29110, 38582), (31324, 35855)]