400580964

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{509}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 1202604480

約数和(自身を除く): 802023516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 347, 378, 509, 567, 694, 756, 1018, 1041, 1134, 1388, 1527, 2036, 2082, 2268, 2429, 3054, 3123, 3563, 4164, 4581, 4858, 6108, 6246, 7126, 7287, 9162, 9369, 9716, 10689, 12492, 13743, 14252, 14574, 18324, 18738, 21378, 21861, 27486, 28107, 29148, 32067, 37476, 41229, 42756, 43722, 54972, 56214, 64134, 65583, 82458, 87444, 96201, 112428, 128268, 131166, 164916, 176623, 192402, 196749, 262332, 288603, 353246, 384804, 393498, 529869, 577206, 706492, 786996, 1059738, 1154412, 1236361, 1589607, 2119476, 2472722, 3179214, 3709083, 4768821, 4945444, 6358428, 7418166, 9537642, 11127249, 14306463, 14836332, 19075284, 22254498, 28612926, 33381747, 44508996, 57225852, 66763494, 100145241, 133526988, 200290482, 400580964]

約数ペア:

[(1, 400580964), (2, 200290482), (3, 133526988), (4, 100145241), (6, 66763494), (7, 57225852), (9, 44508996), (12, 33381747), (14, 28612926), (18, 22254498), (21, 19075284), (27, 14836332), (28, 14306463), (36, 11127249), (42, 9537642), (54, 7418166), (63, 6358428), (81, 4945444), (84, 4768821), (108, 3709083), (126, 3179214), (162, 2472722), (189, 2119476), (252, 1589607), (324, 1236361), (347, 1154412), (378, 1059738), (509, 786996), (567, 706492), (694, 577206), (756, 529869), (1018, 393498), (1041, 384804), (1134, 353246), (1388, 288603), (1527, 262332), (2036, 196749), (2082, 192402), (2268, 176623), (2429, 164916), (3054, 131166), (3123, 128268), (3563, 112428), (4164, 96201), (4581, 87444), (4858, 82458), (6108, 65583), (6246, 64134), (7126, 56214), (7287, 54972), (9162, 43722), (9369, 42756), (9716, 41229), (10689, 37476), (12492, 32067), (13743, 29148), (14252, 28107), (14574, 27486), (18324, 21861), (18738, 21378)]