440078480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 1099048704

約数和(自身を除く): 658970224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 211, 232, 248, 290, 310, 422, 464, 496, 580, 620, 841, 844, 899, 1055, 1160, 1240, 1682, 1688, 1798, 2110, 2320, 2480, 3364, 3376, 3596, 4205, 4220, 4495, 6119, 6541, 6728, 7192, 8410, 8440, 8990, 12238, 13082, 13456, 14384, 16820, 16880, 17980, 24476, 26071, 26164, 30595, 32705, 33640, 35960, 48952, 52142, 52328, 61190, 65410, 67280, 71920, 97904, 104284, 104656, 122380, 130355, 130820, 177451, 189689, 208568, 244760, 260710, 261640, 354902, 379378, 417136, 489520, 521420, 523280, 709804, 758756, 887255, 948445, 1042840, 1419608, 1517512, 1774510, 1896890, 2085680, 2839216, 3035024, 3549020, 3793780, 5500981, 7098040, 7587560, 11001962, 14196080, 15175120, 22003924, 27504905, 44007848, 55009810, 88015696, 110019620, 220039240, 440078480]

約数ペア:

[(1, 440078480), (2, 220039240), (4, 110019620), (5, 88015696), (8, 55009810), (10, 44007848), (16, 27504905), (20, 22003924), (29, 15175120), (31, 14196080), (40, 11001962), (58, 7587560), (62, 7098040), (80, 5500981), (116, 3793780), (124, 3549020), (145, 3035024), (155, 2839216), (211, 2085680), (232, 1896890), (248, 1774510), (290, 1517512), (310, 1419608), (422, 1042840), (464, 948445), (496, 887255), (580, 758756), (620, 709804), (841, 523280), (844, 521420), (899, 489520), (1055, 417136), (1160, 379378), (1240, 354902), (1682, 261640), (1688, 260710), (1798, 244760), (2110, 208568), (2320, 189689), (2480, 177451), (3364, 130820), (3376, 130355), (3596, 122380), (4205, 104656), (4220, 104284), (4495, 97904), (6119, 71920), (6541, 67280), (6728, 65410), (7192, 61190), (8410, 52328), (8440, 52142), (8990, 48952), (12238, 35960), (13082, 33640), (13456, 32705), (14384, 30595), (16820, 26164), (16880, 26071), (17980, 24476)]