74417420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 205922304

約数和(自身を除く): 131504884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 121, 140, 154, 161, 191, 220, 230, 242, 253, 308, 322, 382, 385, 460, 484, 506, 605, 644, 764, 770, 805, 847, 955, 1012, 1210, 1265, 1337, 1540, 1610, 1694, 1771, 1910, 2101, 2420, 2530, 2674, 2783, 3220, 3388, 3542, 3820, 4202, 4235, 4393, 5060, 5348, 5566, 6685, 7084, 8404, 8470, 8786, 8855, 10505, 11132, 13370, 13915, 14707, 16940, 17572, 17710, 19481, 21010, 21965, 23111, 26740, 27830, 29414, 30751, 35420, 38962, 42020, 43930, 46222, 48323, 55660, 58828, 61502, 73535, 77924, 87860, 92444, 96646, 97405, 115555, 123004, 147070, 153755, 161777, 193292, 194810, 231110, 241615, 294140, 307510, 323554, 338261, 389620, 462220, 483230, 531553, 615020, 647108, 676522, 808885, 966460, 1063106, 1353044, 1617770, 1691305, 2126212, 2657765, 3235540, 3382610, 3720871, 5315530, 6765220, 7441742, 10631060, 14883484, 18604355, 37208710, 74417420]

約数ペア:

[(1, 74417420), (2, 37208710), (4, 18604355), (5, 14883484), (7, 10631060), (10, 7441742), (11, 6765220), (14, 5315530), (20, 3720871), (22, 3382610), (23, 3235540), (28, 2657765), (35, 2126212), (44, 1691305), (46, 1617770), (55, 1353044), (70, 1063106), (77, 966460), (92, 808885), (110, 676522), (115, 647108), (121, 615020), (140, 531553), (154, 483230), (161, 462220), (191, 389620), (220, 338261), (230, 323554), (242, 307510), (253, 294140), (308, 241615), (322, 231110), (382, 194810), (385, 193292), (460, 161777), (484, 153755), (506, 147070), (605, 123004), (644, 115555), (764, 97405), (770, 96646), (805, 92444), (847, 87860), (955, 77924), (1012, 73535), (1210, 61502), (1265, 58828), (1337, 55660), (1540, 48323), (1610, 46222), (1694, 43930), (1771, 42020), (1910, 38962), (2101, 35420), (2420, 30751), (2530, 29414), (2674, 27830), (2783, 26740), (3220, 23111), (3388, 21965), (3542, 21010), (3820, 19481), (4202, 17710), (4235, 17572), (4393, 16940), (5060, 14707), (5348, 13915), (5566, 13370), (6685, 11132), (7084, 10505), (8404, 8855), (8470, 8786)]