278364456

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1913}}^1$

素因数の和:2015

約数の個数: 96

約数和(自身を含む): 788261760

約数和(自身を除く): 509897304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 47, 72, 86, 94, 129, 141, 172, 188, 258, 282, 344, 376, 387, 423, 516, 564, 774, 846, 1032, 1128, 1548, 1692, 1913, 2021, 3096, 3384, 3826, 4042, 5739, 6063, 7652, 8084, 11478, 12126, 15304, 16168, 17217, 18189, 22956, 24252, 34434, 36378, 45912, 48504, 68868, 72756, 82259, 89911, 137736, 145512, 164518, 179822, 246777, 269733, 329036, 359644, 493554, 539466, 658072, 719288, 740331, 809199, 987108, 1078932, 1480662, 1618398, 1974216, 2157864, 2961324, 3236796, 3866173, 5922648, 6473592, 7732346, 11598519, 15464692, 23197038, 30929384, 34795557, 46394076, 69591114, 92788152, 139182228, 278364456]

約数ペア:

[(1, 278364456), (2, 139182228), (3, 92788152), (4, 69591114), (6, 46394076), (8, 34795557), (9, 30929384), (12, 23197038), (18, 15464692), (24, 11598519), (36, 7732346), (43, 6473592), (47, 5922648), (72, 3866173), (86, 3236796), (94, 2961324), (129, 2157864), (141, 1974216), (172, 1618398), (188, 1480662), (258, 1078932), (282, 987108), (344, 809199), (376, 740331), (387, 719288), (423, 658072), (516, 539466), (564, 493554), (774, 359644), (846, 329036), (1032, 269733), (1128, 246777), (1548, 179822), (1692, 164518), (1913, 145512), (2021, 137736), (3096, 89911), (3384, 82259), (3826, 72756), (4042, 68868), (5739, 48504), (6063, 45912), (7652, 36378), (8084, 34434), (11478, 24252), (12126, 22956), (15304, 18189), (16168, 17217)]