388434580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 879943680

約数和(自身を除く): 491509100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 109, 115, 122, 127, 218, 230, 244, 254, 305, 436, 460, 508, 545, 610, 635, 1090, 1220, 1270, 1403, 2180, 2507, 2540, 2806, 2921, 5014, 5612, 5842, 6649, 7015, 7747, 10028, 11684, 12535, 13298, 13843, 14030, 14605, 15494, 25070, 26596, 27686, 28060, 29210, 30988, 33245, 38735, 50140, 55372, 58420, 66490, 69215, 77470, 132980, 138430, 152927, 154940, 178181, 276860, 305854, 318389, 356362, 611708, 636778, 712724, 764635, 844423, 890905, 1273556, 1529270, 1591945, 1688846, 1781810, 3058540, 3183890, 3377692, 3563620, 4222115, 6367780, 8444230, 16888460, 19421729, 38843458, 77686916, 97108645, 194217290, 388434580]

約数ペア:

[(1, 388434580), (2, 194217290), (4, 97108645), (5, 77686916), (10, 38843458), (20, 19421729), (23, 16888460), (46, 8444230), (61, 6367780), (92, 4222115), (109, 3563620), (115, 3377692), (122, 3183890), (127, 3058540), (218, 1781810), (230, 1688846), (244, 1591945), (254, 1529270), (305, 1273556), (436, 890905), (460, 844423), (508, 764635), (545, 712724), (610, 636778), (635, 611708), (1090, 356362), (1220, 318389), (1270, 305854), (1403, 276860), (2180, 178181), (2507, 154940), (2540, 152927), (2806, 138430), (2921, 132980), (5014, 77470), (5612, 69215), (5842, 66490), (6649, 58420), (7015, 55372), (7747, 50140), (10028, 38735), (11684, 33245), (12535, 30988), (13298, 29210), (13843, 28060), (14030, 27686), (14605, 26596), (15494, 25070)]