399408045140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{152839}}^1$

素因数の和:152926

約数の個数: 144

約数和(自身を含む): 993961315200

約数和(自身を除く): 594553270060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 529, 598, 874, 988, 1058, 1196, 1235, 1495, 1748, 2116, 2185, 2470, 2645, 2990, 4370, 4940, 5290, 5681, 5980, 6877, 8740, 10051, 10580, 11362, 13754, 20102, 22724, 27508, 28405, 34385, 40204, 50255, 56810, 68770, 100510, 113620, 130663, 137540, 152839, 201020, 261326, 305678, 522652, 611356, 653315, 764195, 1306630, 1528390, 1986907, 2613260, 2903941, 3056780, 3515297, 3973814, 5807882, 7030594, 7947628, 9934535, 11615764, 14061188, 14519705, 17576485, 19869070, 29039410, 35152970, 37751233, 39738140, 45698861, 58078820, 66790643, 70305940, 75502466, 80851831, 91397722, 133581286, 151004932, 161703662, 182795444, 188756165, 228494305, 267162572, 323407324, 333953215, 377512330, 404259155, 456988610, 667906430, 755024660, 808518310, 868278359, 913977220, 1051073803, 1335812860, 1536184789, 1617036620, 1736556718, 2102147606, 3072369578, 3473113436, 4204295212, 4341391795, 5255369015, 6144739156, 7680923945, 8682783590, 10510738030, 15361847890, 17365567180, 19970402257, 21021476060, 30723695780, 39940804514, 79881609028, 99852011285, 199704022570, 399408045140]

約数ペア:

[(1, 399408045140), (2, 199704022570), (4, 99852011285), (5, 79881609028), (10, 39940804514), (13, 30723695780), (19, 21021476060), (20, 19970402257), (23, 17365567180), (26, 15361847890), (38, 10510738030), (46, 8682783590), (52, 7680923945), (65, 6144739156), (76, 5255369015), (92, 4341391795), (95, 4204295212), (115, 3473113436), (130, 3072369578), (190, 2102147606), (230, 1736556718), (247, 1617036620), (260, 1536184789), (299, 1335812860), (380, 1051073803), (437, 913977220), (460, 868278359), (494, 808518310), (529, 755024660), (598, 667906430), (874, 456988610), (988, 404259155), (1058, 377512330), (1196, 333953215), (1235, 323407324), (1495, 267162572), (1748, 228494305), (2116, 188756165), (2185, 182795444), (2470, 161703662), (2645, 151004932), (2990, 133581286), (4370, 91397722), (4940, 80851831), (5290, 75502466), (5681, 70305940), (5980, 66790643), (6877, 58078820), (8740, 45698861), (10051, 39738140), (10580, 37751233), (11362, 35152970), (13754, 29039410), (20102, 19869070), (22724, 17576485), (27508, 14519705), (28405, 14061188), (34385, 11615764), (40204, 9934535), (50255, 7947628), (56810, 7030594), (68770, 5807882), (100510, 3973814), (113620, 3515297), (130663, 3056780), (137540, 2903941), (152839, 2613260), (201020, 1986907), (261326, 1528390), (305678, 1306630), (522652, 764195), (611356, 653315)]