64278500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 176117760

約数和(自身を除く): 111839260

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 29, 31, 44, 50, 52, 55, 58, 62, 65, 100, 110, 116, 124, 125, 130, 143, 145, 155, 220, 250, 260, 275, 286, 290, 310, 319, 325, 341, 377, 403, 500, 550, 572, 580, 620, 638, 650, 682, 715, 725, 754, 775, 806, 899, 1100, 1276, 1300, 1364, 1375, 1430, 1450, 1508, 1550, 1595, 1612, 1625, 1705, 1798, 1885, 2015, 2750, 2860, 2900, 3100, 3190, 3250, 3410, 3575, 3596, 3625, 3770, 3875, 4030, 4147, 4433, 4495, 5500, 6380, 6500, 6820, 7150, 7250, 7540, 7750, 7975, 8060, 8294, 8525, 8866, 8990, 9425, 9889, 10075, 11687, 14300, 14500, 15500, 15950, 16588, 17050, 17732, 17875, 17980, 18850, 19778, 20150, 20735, 22165, 22475, 23374, 31900, 34100, 35750, 37700, 39556, 39875, 40300, 41470, 42625, 44330, 44950, 46748, 47125, 49445, 50375, 58435, 71500, 79750, 82940, 85250, 88660, 89900, 94250, 98890, 100750, 103675, 110825, 112375, 116870, 128557, 159500, 170500, 188500, 197780, 201500, 207350, 221650, 224750, 233740, 247225, 257114, 292175, 414700, 443300, 449500, 494450, 514228, 518375, 554125, 584350, 642785, 988900, 1036750, 1108250, 1168700, 1236125, 1285570, 1460875, 2073500, 2216500, 2472250, 2571140, 2921750, 3213925, 4944500, 5843500, 6427850, 12855700, 16069625, 32139250, 64278500]

約数ペア:

[(1, 64278500), (2, 32139250), (4, 16069625), (5, 12855700), (10, 6427850), (11, 5843500), (13, 4944500), (20, 3213925), (22, 2921750), (25, 2571140), (26, 2472250), (29, 2216500), (31, 2073500), (44, 1460875), (50, 1285570), (52, 1236125), (55, 1168700), (58, 1108250), (62, 1036750), (65, 988900), (100, 642785), (110, 584350), (116, 554125), (124, 518375), (125, 514228), (130, 494450), (143, 449500), (145, 443300), (155, 414700), (220, 292175), (250, 257114), (260, 247225), (275, 233740), (286, 224750), (290, 221650), (310, 207350), (319, 201500), (325, 197780), (341, 188500), (377, 170500), (403, 159500), (500, 128557), (550, 116870), (572, 112375), (580, 110825), (620, 103675), (638, 100750), (650, 98890), (682, 94250), (715, 89900), (725, 88660), (754, 85250), (775, 82940), (806, 79750), (899, 71500), (1100, 58435), (1276, 50375), (1300, 49445), (1364, 47125), (1375, 46748), (1430, 44950), (1450, 44330), (1508, 42625), (1550, 41470), (1595, 40300), (1612, 39875), (1625, 39556), (1705, 37700), (1798, 35750), (1885, 34100), (2015, 31900), (2750, 23374), (2860, 22475), (2900, 22165), (3100, 20735), (3190, 20150), (3250, 19778), (3410, 18850), (3575, 17980), (3596, 17875), (3625, 17732), (3770, 17050), (3875, 16588), (4030, 15950), (4147, 15500), (4433, 14500), (4495, 14300), (5500, 11687), (6380, 10075), (6500, 9889), (6820, 9425), (7150, 8990), (7250, 8866), (7540, 8525), (7750, 8294), (7975, 8060)]