401004296

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 1003104000

約数和(自身を除く): 602099704

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 149, 154, 187, 238, 257, 298, 308, 374, 476, 514, 596, 616, 748, 952, 1028, 1043, 1192, 1309, 1496, 1639, 1799, 2056, 2086, 2533, 2618, 2827, 3278, 3598, 4172, 4369, 5066, 5236, 5654, 6556, 7196, 8344, 8738, 10132, 10472, 11308, 11473, 13112, 14392, 17476, 17731, 19789, 20264, 22616, 22946, 27863, 30583, 34952, 35462, 38293, 39578, 45892, 48059, 55726, 61166, 70924, 76586, 79156, 91784, 96118, 111452, 122332, 141848, 153172, 158312, 192236, 195041, 222904, 244664, 268051, 306344, 336413, 384472, 390082, 421223, 536102, 650981, 672826, 780164, 842446, 1072204, 1301962, 1345652, 1560328, 1684892, 2144408, 2603924, 2691304, 2948561, 3369784, 4556867, 5207848, 5897122, 7160791, 9113734, 11794244, 14321582, 18227468, 23588488, 28643164, 36454936, 50125537, 57286328, 100251074, 200502148, 401004296]

約数ペア:

[(1, 401004296), (2, 200502148), (4, 100251074), (7, 57286328), (8, 50125537), (11, 36454936), (14, 28643164), (17, 23588488), (22, 18227468), (28, 14321582), (34, 11794244), (44, 9113734), (56, 7160791), (68, 5897122), (77, 5207848), (88, 4556867), (119, 3369784), (136, 2948561), (149, 2691304), (154, 2603924), (187, 2144408), (238, 1684892), (257, 1560328), (298, 1345652), (308, 1301962), (374, 1072204), (476, 842446), (514, 780164), (596, 672826), (616, 650981), (748, 536102), (952, 421223), (1028, 390082), (1043, 384472), (1192, 336413), (1309, 306344), (1496, 268051), (1639, 244664), (1799, 222904), (2056, 195041), (2086, 192236), (2533, 158312), (2618, 153172), (2827, 141848), (3278, 122332), (3598, 111452), (4172, 96118), (4369, 91784), (5066, 79156), (5236, 76586), (5654, 70924), (6556, 61166), (7196, 55726), (8344, 48059), (8738, 45892), (10132, 39578), (10472, 38293), (11308, 35462), (11473, 34952), (13112, 30583), (14392, 27863), (17476, 22946), (17731, 22616), (19789, 20264)]