21576996875

素因数分解:

$5^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 33503168160

約数和(自身を除く): 11926171285

約数列:

[1, 5, 7, 25, 29, 35, 43, 49, 113, 125, 145, 175, 203, 215, 245, 301, 565, 625, 725, 791, 875, 1015, 1075, 1225, 1247, 1421, 1505, 2107, 2825, 3125, 3277, 3625, 3955, 4375, 4859, 5075, 5375, 5537, 6125, 6235, 7105, 7525, 8729, 10535, 14125, 16385, 18125, 19775, 21875, 22939, 24295, 25375, 26875, 27685, 30625, 31175, 34013, 35525, 37625, 43645, 52675, 61103, 70625, 81925, 90625, 98875, 114695, 121475, 126875, 134375, 138425, 140911, 153125, 155875, 160573, 170065, 177625, 188125, 218225, 238091, 263375, 305515, 353125, 409625, 494375, 573475, 607375, 634375, 692125, 704555, 779375, 802865, 850325, 888125, 940625, 986377, 1091125, 1190455, 1316875, 1527575, 2048125, 2471875, 2867375, 3036875, 3460625, 3522775, 3896875, 4014325, 4251625, 4440625, 4931885, 5455625, 5952275, 6584375, 6904639, 7637875, 10240625, 14336875, 15184375, 17303125, 17613875, 20071625, 21258125, 24659425, 27278125, 29761375, 34523195, 38189375, 71684375, 88069375, 100358125, 106290625, 123297125, 148806875, 172615975, 190946875, 440346875, 501790625, 616485625, 744034375, 863079875, 3082428125, 4315399375, 21576996875]

約数ペア:

[(1, 21576996875), (5, 4315399375), (7, 3082428125), (25, 863079875), (29, 744034375), (35, 616485625), (43, 501790625), (49, 440346875), (113, 190946875), (125, 172615975), (145, 148806875), (175, 123297125), (203, 106290625), (215, 100358125), (245, 88069375), (301, 71684375), (565, 38189375), (625, 34523195), (725, 29761375), (791, 27278125), (875, 24659425), (1015, 21258125), (1075, 20071625), (1225, 17613875), (1247, 17303125), (1421, 15184375), (1505, 14336875), (2107, 10240625), (2825, 7637875), (3125, 6904639), (3277, 6584375), (3625, 5952275), (3955, 5455625), (4375, 4931885), (4859, 4440625), (5075, 4251625), (5375, 4014325), (5537, 3896875), (6125, 3522775), (6235, 3460625), (7105, 3036875), (7525, 2867375), (8729, 2471875), (10535, 2048125), (14125, 1527575), (16385, 1316875), (18125, 1190455), (19775, 1091125), (21875, 986377), (22939, 940625), (24295, 888125), (25375, 850325), (26875, 802865), (27685, 779375), (30625, 704555), (31175, 692125), (34013, 634375), (35525, 607375), (37625, 573475), (43645, 494375), (52675, 409625), (61103, 353125), (70625, 305515), (81925, 263375), (90625, 238091), (98875, 218225), (114695, 188125), (121475, 177625), (126875, 170065), (134375, 160573), (138425, 155875), (140911, 153125)]