405429573280

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{256757}}^1$

素因数の和:256982

約数の個数: 96

約数和(自身を含む): 978309601920

約数和(自身を除く): 572880028640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 139, 142, 160, 278, 284, 355, 556, 568, 695, 710, 1112, 1136, 1390, 1420, 2224, 2272, 2780, 2840, 4448, 5560, 5680, 9869, 11120, 11360, 19738, 22240, 39476, 49345, 78952, 98690, 157904, 197380, 256757, 315808, 394760, 513514, 789520, 1027028, 1283785, 1579040, 2054056, 2567570, 4108112, 5135140, 8216224, 10270280, 18229747, 20540560, 35689223, 36459494, 41081120, 71378446, 72918988, 91148735, 142756892, 145837976, 178446115, 182297470, 285513784, 291675952, 356892230, 364594940, 571027568, 583351904, 713784460, 729189880, 1142055136, 1427568920, 1458379760, 2533934833, 2855137840, 2916759520, 5067869666, 5710275680, 10135739332, 12669674165, 20271478664, 25339348330, 40542957328, 50678696660, 81085914656, 101357393320, 202714786640, 405429573280]

約数ペア:

[(1, 405429573280), (2, 202714786640), (4, 101357393320), (5, 81085914656), (8, 50678696660), (10, 40542957328), (16, 25339348330), (20, 20271478664), (32, 12669674165), (40, 10135739332), (71, 5710275680), (80, 5067869666), (139, 2916759520), (142, 2855137840), (160, 2533934833), (278, 1458379760), (284, 1427568920), (355, 1142055136), (556, 729189880), (568, 713784460), (695, 583351904), (710, 571027568), (1112, 364594940), (1136, 356892230), (1390, 291675952), (1420, 285513784), (2224, 182297470), (2272, 178446115), (2780, 145837976), (2840, 142756892), (4448, 91148735), (5560, 72918988), (5680, 71378446), (9869, 41081120), (11120, 36459494), (11360, 35689223), (19738, 20540560), (22240, 18229747), (39476, 10270280), (49345, 8216224), (78952, 5135140), (98690, 4108112), (157904, 2567570), (197380, 2054056), (256757, 1579040), (315808, 1283785), (394760, 1027028), (513514, 789520)]