20178098500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3259}}^1$

素因数の和:3375

約数の個数: 192

約数和(自身を含む): 52971609600

約数和(自身を除く): 32793511100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 61, 70, 100, 116, 122, 125, 140, 145, 175, 203, 244, 250, 290, 305, 350, 406, 427, 500, 580, 610, 700, 725, 812, 854, 875, 1015, 1220, 1450, 1525, 1708, 1750, 1769, 2030, 2135, 2900, 3050, 3259, 3500, 3538, 3625, 4060, 4270, 5075, 6100, 6518, 7076, 7250, 7625, 8540, 8845, 10150, 10675, 12383, 13036, 14500, 15250, 16295, 17690, 20300, 21350, 22813, 24766, 25375, 30500, 32590, 35380, 42700, 44225, 45626, 49532, 50750, 53375, 61915, 65180, 81475, 88450, 91252, 94511, 101500, 106750, 114065, 123830, 162950, 176900, 189022, 198799, 213500, 221125, 228130, 247660, 309575, 325900, 378044, 397598, 407375, 442250, 456260, 472555, 570325, 619150, 661577, 795196, 814750, 884500, 945110, 993995, 1140650, 1238300, 1323154, 1391593, 1547875, 1629500, 1890220, 1987990, 2281300, 2362775, 2646308, 2783186, 2851625, 3095750, 3307885, 3975980, 4725550, 4969975, 5566372, 5703250, 5765171, 6191500, 6615770, 6957965, 9451100, 9939950, 11406500, 11530342, 11813875, 13231540, 13915930, 16539425, 19879900, 23060684, 23627750, 24849875, 27831860, 28825855, 33078850, 34789825, 40356197, 47255500, 49699750, 57651710, 66157700, 69579650, 80712394, 82697125, 99399500, 115303420, 139159300, 144129275, 161424788, 165394250, 173949125, 201780985, 288258550, 330788500, 347898250, 403561970, 576517100, 695796500, 720646375, 807123940, 1008904925, 1441292750, 2017809850, 2882585500, 4035619700, 5044524625, 10089049250, 20178098500]

約数ペア:

[(1, 20178098500), (2, 10089049250), (4, 5044524625), (5, 4035619700), (7, 2882585500), (10, 2017809850), (14, 1441292750), (20, 1008904925), (25, 807123940), (28, 720646375), (29, 695796500), (35, 576517100), (50, 403561970), (58, 347898250), (61, 330788500), (70, 288258550), (100, 201780985), (116, 173949125), (122, 165394250), (125, 161424788), (140, 144129275), (145, 139159300), (175, 115303420), (203, 99399500), (244, 82697125), (250, 80712394), (290, 69579650), (305, 66157700), (350, 57651710), (406, 49699750), (427, 47255500), (500, 40356197), (580, 34789825), (610, 33078850), (700, 28825855), (725, 27831860), (812, 24849875), (854, 23627750), (875, 23060684), (1015, 19879900), (1220, 16539425), (1450, 13915930), (1525, 13231540), (1708, 11813875), (1750, 11530342), (1769, 11406500), (2030, 9939950), (2135, 9451100), (2900, 6957965), (3050, 6615770), (3259, 6191500), (3500, 5765171), (3538, 5703250), (3625, 5566372), (4060, 4969975), (4270, 4725550), (5075, 3975980), (6100, 3307885), (6518, 3095750), (7076, 2851625), (7250, 2783186), (7625, 2646308), (8540, 2362775), (8845, 2281300), (10150, 1987990), (10675, 1890220), (12383, 1629500), (13036, 1547875), (14500, 1391593), (15250, 1323154), (16295, 1238300), (17690, 1140650), (20300, 993995), (21350, 945110), (22813, 884500), (24766, 814750), (25375, 795196), (30500, 661577), (32590, 619150), (35380, 570325), (42700, 472555), (44225, 456260), (45626, 442250), (49532, 407375), (50750, 397598), (53375, 378044), (61915, 325900), (65180, 309575), (81475, 247660), (88450, 228130), (91252, 221125), (94511, 213500), (101500, 198799), (106750, 189022), (114065, 176900), (123830, 162950)]