220945284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{7759}}^1$

素因数の和:7889

約数の個数: 72

約数和(自身を含む): 644017920

約数和(自身を除く): 423072636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 791, 1017, 1356, 1582, 2034, 2373, 3164, 4068, 4746, 7119, 7759, 9492, 14238, 15518, 23277, 28476, 31036, 46554, 54313, 69831, 93108, 108626, 139662, 162939, 217252, 279324, 325878, 488817, 651756, 876767, 977634, 1753534, 1955268, 2630301, 3507068, 5260602, 6137369, 7890903, 10521204, 12274738, 15781806, 18412107, 24549476, 31563612, 36824214, 55236321, 73648428, 110472642, 220945284]

約数ペア:

[(1, 220945284), (2, 110472642), (3, 73648428), (4, 55236321), (6, 36824214), (7, 31563612), (9, 24549476), (12, 18412107), (14, 15781806), (18, 12274738), (21, 10521204), (28, 7890903), (36, 6137369), (42, 5260602), (63, 3507068), (84, 2630301), (113, 1955268), (126, 1753534), (226, 977634), (252, 876767), (339, 651756), (452, 488817), (678, 325878), (791, 279324), (1017, 217252), (1356, 162939), (1582, 139662), (2034, 108626), (2373, 93108), (3164, 69831), (4068, 54313), (4746, 46554), (7119, 31036), (7759, 28476), (9492, 23277), (14238, 15518)]