405265356

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 120

約数和(自身を含む): 1104867456

約数和(自身を除く): 699602100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 157, 162, 186, 257, 279, 314, 324, 372, 471, 514, 558, 628, 771, 837, 942, 1028, 1116, 1413, 1542, 1674, 1884, 2313, 2511, 2826, 3084, 3348, 4239, 4626, 4867, 5022, 5652, 6939, 7967, 8478, 9252, 9734, 10044, 12717, 13878, 14601, 15934, 16956, 19468, 20817, 23901, 25434, 27756, 29202, 31868, 40349, 41634, 43803, 47802, 50868, 58404, 71703, 80698, 83268, 87606, 95604, 121047, 131409, 143406, 161396, 175212, 215109, 242094, 262818, 286812, 363141, 394227, 430218, 484188, 525636, 645327, 726282, 788454, 860436, 1089423, 1250819, 1290654, 1452564, 1576908, 2178846, 2501638, 2581308, 3268269, 3752457, 4357692, 5003276, 6536538, 7504914, 11257371, 13073076, 15009828, 22514742, 33772113, 45029484, 67544226, 101316339, 135088452, 202632678, 405265356]

約数ペア:

[(1, 405265356), (2, 202632678), (3, 135088452), (4, 101316339), (6, 67544226), (9, 45029484), (12, 33772113), (18, 22514742), (27, 15009828), (31, 13073076), (36, 11257371), (54, 7504914), (62, 6536538), (81, 5003276), (93, 4357692), (108, 3752457), (124, 3268269), (157, 2581308), (162, 2501638), (186, 2178846), (257, 1576908), (279, 1452564), (314, 1290654), (324, 1250819), (372, 1089423), (471, 860436), (514, 788454), (558, 726282), (628, 645327), (771, 525636), (837, 484188), (942, 430218), (1028, 394227), (1116, 363141), (1413, 286812), (1542, 262818), (1674, 242094), (1884, 215109), (2313, 175212), (2511, 161396), (2826, 143406), (3084, 131409), (3348, 121047), (4239, 95604), (4626, 87606), (4867, 83268), (5022, 80698), (5652, 71703), (6939, 58404), (7967, 50868), (8478, 47802), (9252, 43803), (9734, 41634), (10044, 40349), (12717, 31868), (13878, 29202), (14601, 27756), (15934, 25434), (16956, 23901), (19468, 20817)]