256220916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{983}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 714147840

約数和(自身を除く): 457926924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 107, 116, 174, 203, 214, 321, 348, 406, 428, 609, 642, 749, 812, 983, 1218, 1284, 1498, 1966, 2247, 2436, 2949, 2996, 3103, 3932, 4494, 5898, 6206, 6881, 8988, 9309, 11796, 12412, 13762, 18618, 20643, 21721, 27524, 28507, 37236, 41286, 43442, 57014, 65163, 82572, 85521, 86884, 105181, 114028, 130326, 171042, 199549, 210362, 260652, 315543, 342084, 399098, 420724, 598647, 631086, 736267, 798196, 1197294, 1262172, 1472534, 2208801, 2394588, 2945068, 3050249, 4417602, 6100498, 8835204, 9150747, 12200996, 18301494, 21351743, 36602988, 42703486, 64055229, 85406972, 128110458, 256220916]

約数ペア:

[(1, 256220916), (2, 128110458), (3, 85406972), (4, 64055229), (6, 42703486), (7, 36602988), (12, 21351743), (14, 18301494), (21, 12200996), (28, 9150747), (29, 8835204), (42, 6100498), (58, 4417602), (84, 3050249), (87, 2945068), (107, 2394588), (116, 2208801), (174, 1472534), (203, 1262172), (214, 1197294), (321, 798196), (348, 736267), (406, 631086), (428, 598647), (609, 420724), (642, 399098), (749, 342084), (812, 315543), (983, 260652), (1218, 210362), (1284, 199549), (1498, 171042), (1966, 130326), (2247, 114028), (2436, 105181), (2949, 86884), (2996, 85521), (3103, 82572), (3932, 65163), (4494, 57014), (5898, 43442), (6206, 41286), (6881, 37236), (8988, 28507), (9309, 27524), (11796, 21721), (12412, 20643), (13762, 18618)]