280812108100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1\times {\mathrm{2803}}^1$

素因数の和:4766

約数の個数: 144

約数和(自身を含む): 666608334336

約数和(自身を除く): 385796226236

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1550, 1700, 1901, 2108, 2635, 2803, 3100, 3802, 5270, 5606, 7604, 9505, 10540, 11212, 13175, 14015, 19010, 26350, 28030, 32317, 38020, 47525, 47651, 52700, 56060, 58931, 64634, 70075, 86893, 95050, 95302, 117862, 129268, 140150, 161585, 173786, 190100, 190604, 235724, 238255, 280300, 294655, 323170, 347572, 434465, 476510, 589310, 646340, 807925, 868930, 953020, 1001827, 1178620, 1191275, 1473275, 1477181, 1615850, 1737860, 2003654, 2172325, 2382550, 2946550, 2954362, 3231700, 4007308, 4344650, 4765100, 5009135, 5328503, 5893100, 5908724, 7385905, 8689300, 10018270, 10657006, 14771810, 20036540, 21314012, 25045675, 26642515, 29543620, 36929525, 50091350, 53285030, 73859050, 90584551, 100182700, 106570060, 133212575, 147718100, 165183593, 181169102, 266425150, 330367186, 362338204, 452922755, 532850300, 660734372, 825917965, 905845510, 1651835930, 1811691020, 2264613775, 2808121081, 3303671860, 4129589825, 4529227550, 5616242162, 8259179650, 9058455100, 11232484324, 14040605405, 16518359300, 28081210810, 56162421620, 70203027025, 140406054050, 280812108100]

約数ペア:

[(1, 280812108100), (2, 140406054050), (4, 70203027025), (5, 56162421620), (10, 28081210810), (17, 16518359300), (20, 14040605405), (25, 11232484324), (31, 9058455100), (34, 8259179650), (50, 5616242162), (62, 4529227550), (68, 4129589825), (85, 3303671860), (100, 2808121081), (124, 2264613775), (155, 1811691020), (170, 1651835930), (310, 905845510), (340, 825917965), (425, 660734372), (527, 532850300), (620, 452922755), (775, 362338204), (850, 330367186), (1054, 266425150), (1550, 181169102), (1700, 165183593), (1901, 147718100), (2108, 133212575), (2635, 106570060), (2803, 100182700), (3100, 90584551), (3802, 73859050), (5270, 53285030), (5606, 50091350), (7604, 36929525), (9505, 29543620), (10540, 26642515), (11212, 25045675), (13175, 21314012), (14015, 20036540), (19010, 14771810), (26350, 10657006), (28030, 10018270), (32317, 8689300), (38020, 7385905), (47525, 5908724), (47651, 5893100), (52700, 5328503), (56060, 5009135), (58931, 4765100), (64634, 4344650), (70075, 4007308), (86893, 3231700), (95050, 2954362), (95302, 2946550), (117862, 2382550), (129268, 2172325), (140150, 2003654), (161585, 1737860), (173786, 1615850), (190100, 1477181), (190604, 1473275), (235724, 1191275), (238255, 1178620), (280300, 1001827), (294655, 953020), (323170, 868930), (347572, 807925), (434465, 646340), (476510, 589310)]