840506624750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{19181}}^1$

素因数の和:19447

約数の個数: 128

約数和(自身を含む): 1724335966080

約数和(自身を除く): 883829341330

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 125, 130, 139, 194, 250, 278, 325, 485, 650, 695, 970, 1261, 1390, 1625, 1807, 2425, 2522, 3250, 3475, 3614, 4850, 6305, 6950, 9035, 12125, 12610, 13483, 17375, 18070, 19181, 24250, 26966, 31525, 34750, 38362, 45175, 63050, 67415, 90350, 95905, 134830, 157625, 175279, 191810, 225875, 249353, 315250, 337075, 350558, 451750, 479525, 498706, 674150, 876395, 959050, 1246765, 1685375, 1752790, 1860557, 2397625, 2493530, 2666159, 3370750, 3721114, 4381975, 4795250, 5332318, 6233825, 8763950, 9302785, 12467650, 13330795, 18605570, 21909875, 24187241, 26661590, 31169125, 34660067, 43819750, 46513925, 48374482, 62338250, 66653975, 69320134, 93027850, 120936205, 133307950, 173300335, 232569625, 241872410, 258617423, 333269875, 346600670, 465139250, 517234846, 604681025, 666539750, 866501675, 1209362050, 1293087115, 1733003350, 2586174230, 3023405125, 3362026499, 4332508375, 6046810250, 6465435575, 6724052998, 8665016750, 12930871150, 16810132495, 32327177875, 33620264990, 64654355750, 84050662475, 168101324950, 420253312375, 840506624750]

約数ペア:

[(1, 840506624750), (2, 420253312375), (5, 168101324950), (10, 84050662475), (13, 64654355750), (25, 33620264990), (26, 32327177875), (50, 16810132495), (65, 12930871150), (97, 8665016750), (125, 6724052998), (130, 6465435575), (139, 6046810250), (194, 4332508375), (250, 3362026499), (278, 3023405125), (325, 2586174230), (485, 1733003350), (650, 1293087115), (695, 1209362050), (970, 866501675), (1261, 666539750), (1390, 604681025), (1625, 517234846), (1807, 465139250), (2425, 346600670), (2522, 333269875), (3250, 258617423), (3475, 241872410), (3614, 232569625), (4850, 173300335), (6305, 133307950), (6950, 120936205), (9035, 93027850), (12125, 69320134), (12610, 66653975), (13483, 62338250), (17375, 48374482), (18070, 46513925), (19181, 43819750), (24250, 34660067), (26966, 31169125), (31525, 26661590), (34750, 24187241), (38362, 21909875), (45175, 18605570), (63050, 13330795), (67415, 12467650), (90350, 9302785), (95905, 8763950), (134830, 6233825), (157625, 5332318), (175279, 4795250), (191810, 4381975), (225875, 3721114), (249353, 3370750), (315250, 2666159), (337075, 2493530), (350558, 2397625), (451750, 1860557), (479525, 1752790), (498706, 1685375), (674150, 1246765), (876395, 959050)]