304708428

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1229}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 789778080

約数和(自身を除く): 485069652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 97, 142, 194, 213, 284, 291, 388, 426, 582, 639, 852, 873, 1164, 1229, 1278, 1746, 2458, 2556, 3492, 3687, 4916, 6887, 7374, 11061, 13774, 14748, 20661, 22122, 27548, 41322, 44244, 61983, 82644, 87259, 119213, 123966, 174518, 238426, 247932, 261777, 349036, 357639, 476852, 523554, 715278, 785331, 1047108, 1072917, 1430556, 1570662, 2145834, 3141324, 4291668, 8464123, 16928246, 25392369, 33856492, 50784738, 76177107, 101569476, 152354214, 304708428]

約数ペア:

[(1, 304708428), (2, 152354214), (3, 101569476), (4, 76177107), (6, 50784738), (9, 33856492), (12, 25392369), (18, 16928246), (36, 8464123), (71, 4291668), (97, 3141324), (142, 2145834), (194, 1570662), (213, 1430556), (284, 1072917), (291, 1047108), (388, 785331), (426, 715278), (582, 523554), (639, 476852), (852, 357639), (873, 349036), (1164, 261777), (1229, 247932), (1278, 238426), (1746, 174518), (2458, 123966), (2556, 119213), (3492, 87259), (3687, 82644), (4916, 61983), (6887, 44244), (7374, 41322), (11061, 27548), (13774, 22122), (14748, 20661)]