256291209650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{26423}}^1$

素因数の和:26593

約数の個数: 144

約数和(自身を含む): 574862152896

約数和(自身を除く): 318570943246

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 49, 50, 70, 74, 98, 107, 175, 185, 214, 245, 259, 350, 370, 490, 518, 535, 749, 925, 1070, 1225, 1295, 1498, 1813, 1850, 2450, 2590, 2675, 3626, 3745, 3959, 5243, 5350, 6475, 7490, 7918, 9065, 10486, 12950, 18130, 18725, 19795, 26215, 26423, 27713, 37450, 39590, 45325, 52430, 52846, 55426, 90650, 98975, 131075, 132115, 138565, 184961, 193991, 197950, 262150, 264230, 277130, 369922, 387982, 660575, 692825, 924805, 969955, 977651, 1294727, 1321150, 1385650, 1849610, 1939910, 1955302, 2589454, 2827261, 4624025, 4849775, 4888255, 5654522, 6473635, 6843557, 9248050, 9699550, 9776510, 12947270, 13687114, 14136305, 19790827, 24441275, 28272610, 32368175, 34217785, 39581654, 47904899, 48882550, 64736350, 68435570, 70681525, 95809798, 98954135, 104608657, 138535789, 141363050, 171088925, 197908270, 209217314, 239524495, 277071578, 342177850, 479048990, 494770675, 523043285, 692678945, 732260599, 989541350, 1046086570, 1197622475, 1385357890, 1464521198, 2395244950, 2615216425, 3463394725, 3661302995, 5125824193, 5230432850, 6926789450, 7322605990, 10251648386, 18306514975, 25629120965, 36613029950, 51258241930, 128145604825, 256291209650]

約数ペア:

[(1, 256291209650), (2, 128145604825), (5, 51258241930), (7, 36613029950), (10, 25629120965), (14, 18306514975), (25, 10251648386), (35, 7322605990), (37, 6926789450), (49, 5230432850), (50, 5125824193), (70, 3661302995), (74, 3463394725), (98, 2615216425), (107, 2395244950), (175, 1464521198), (185, 1385357890), (214, 1197622475), (245, 1046086570), (259, 989541350), (350, 732260599), (370, 692678945), (490, 523043285), (518, 494770675), (535, 479048990), (749, 342177850), (925, 277071578), (1070, 239524495), (1225, 209217314), (1295, 197908270), (1498, 171088925), (1813, 141363050), (1850, 138535789), (2450, 104608657), (2590, 98954135), (2675, 95809798), (3626, 70681525), (3745, 68435570), (3959, 64736350), (5243, 48882550), (5350, 47904899), (6475, 39581654), (7490, 34217785), (7918, 32368175), (9065, 28272610), (10486, 24441275), (12950, 19790827), (18130, 14136305), (18725, 13687114), (19795, 12947270), (26215, 9776510), (26423, 9699550), (27713, 9248050), (37450, 6843557), (39590, 6473635), (45325, 5654522), (52430, 4888255), (52846, 4849775), (55426, 4624025), (90650, 2827261), (98975, 2589454), (131075, 1955302), (132115, 1939910), (138565, 1849610), (184961, 1385650), (193991, 1321150), (197950, 1294727), (262150, 977651), (264230, 969955), (277130, 924805), (369922, 692825), (387982, 660575)]