400331808

素因数分解:

$2^5\times 3^6\times {\mathrm{131}}^2$

素因数の和:290

約数の個数: 126

約数和(自身を含む): 1190778687

約数和(自身を除く): 790446879

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 131, 144, 162, 216, 243, 262, 288, 324, 393, 432, 486, 524, 648, 729, 786, 864, 972, 1048, 1179, 1296, 1458, 1572, 1944, 2096, 2358, 2592, 2916, 3144, 3537, 3888, 4192, 4716, 5832, 6288, 7074, 7776, 9432, 10611, 11664, 12576, 14148, 17161, 18864, 21222, 23328, 28296, 31833, 34322, 37728, 42444, 51483, 56592, 63666, 68644, 84888, 95499, 102966, 113184, 127332, 137288, 154449, 169776, 190998, 205932, 254664, 274576, 308898, 339552, 381996, 411864, 463347, 509328, 549152, 617796, 763992, 823728, 926694, 1018656, 1235592, 1390041, 1527984, 1647456, 1853388, 2471184, 2780082, 3055968, 3706776, 4170123, 4942368, 5560164, 7413552, 8340246, 11120328, 12510369, 14827104, 16680492, 22240656, 25020738, 33360984, 44481312, 50041476, 66721968, 100082952, 133443936, 200165904, 400331808]

約数ペア:

[(1, 400331808), (2, 200165904), (3, 133443936), (4, 100082952), (6, 66721968), (8, 50041476), (9, 44481312), (12, 33360984), (16, 25020738), (18, 22240656), (24, 16680492), (27, 14827104), (32, 12510369), (36, 11120328), (48, 8340246), (54, 7413552), (72, 5560164), (81, 4942368), (96, 4170123), (108, 3706776), (131, 3055968), (144, 2780082), (162, 2471184), (216, 1853388), (243, 1647456), (262, 1527984), (288, 1390041), (324, 1235592), (393, 1018656), (432, 926694), (486, 823728), (524, 763992), (648, 617796), (729, 549152), (786, 509328), (864, 463347), (972, 411864), (1048, 381996), (1179, 339552), (1296, 308898), (1458, 274576), (1572, 254664), (1944, 205932), (2096, 190998), (2358, 169776), (2592, 154449), (2916, 137288), (3144, 127332), (3537, 113184), (3888, 102966), (4192, 95499), (4716, 84888), (5832, 68644), (6288, 63666), (7074, 56592), (7776, 51483), (9432, 42444), (10611, 37728), (11664, 34322), (12576, 31833), (14148, 28296), (17161, 23328), (18864, 21222)]