71300000

素因数分解:

$2^5\times 5^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 188987904

約数和(自身を除く): 117687904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 80, 92, 100, 115, 124, 125, 155, 160, 184, 200, 230, 248, 250, 310, 368, 400, 460, 496, 500, 575, 620, 625, 713, 736, 775, 800, 920, 992, 1000, 1150, 1240, 1250, 1426, 1550, 1840, 2000, 2300, 2480, 2500, 2852, 2875, 3100, 3125, 3565, 3680, 3875, 4000, 4600, 4960, 5000, 5704, 5750, 6200, 6250, 7130, 7750, 9200, 10000, 11408, 11500, 12400, 12500, 14260, 14375, 15500, 17825, 18400, 19375, 20000, 22816, 23000, 24800, 25000, 28520, 28750, 31000, 35650, 38750, 46000, 50000, 57040, 57500, 62000, 71300, 71875, 77500, 89125, 92000, 96875, 100000, 114080, 115000, 124000, 142600, 143750, 155000, 178250, 193750, 230000, 285200, 287500, 310000, 356500, 387500, 445625, 460000, 570400, 575000, 620000, 713000, 775000, 891250, 1150000, 1426000, 1550000, 1782500, 2228125, 2300000, 2852000, 3100000, 3565000, 4456250, 7130000, 8912500, 14260000, 17825000, 35650000, 71300000]

約数ペア:

[(1, 71300000), (2, 35650000), (4, 17825000), (5, 14260000), (8, 8912500), (10, 7130000), (16, 4456250), (20, 3565000), (23, 3100000), (25, 2852000), (31, 2300000), (32, 2228125), (40, 1782500), (46, 1550000), (50, 1426000), (62, 1150000), (80, 891250), (92, 775000), (100, 713000), (115, 620000), (124, 575000), (125, 570400), (155, 460000), (160, 445625), (184, 387500), (200, 356500), (230, 310000), (248, 287500), (250, 285200), (310, 230000), (368, 193750), (400, 178250), (460, 155000), (496, 143750), (500, 142600), (575, 124000), (620, 115000), (625, 114080), (713, 100000), (736, 96875), (775, 92000), (800, 89125), (920, 77500), (992, 71875), (1000, 71300), (1150, 62000), (1240, 57500), (1250, 57040), (1426, 50000), (1550, 46000), (1840, 38750), (2000, 35650), (2300, 31000), (2480, 28750), (2500, 28520), (2852, 25000), (2875, 24800), (3100, 23000), (3125, 22816), (3565, 20000), (3680, 19375), (3875, 18400), (4000, 17825), (4600, 15500), (4960, 14375), (5000, 14260), (5704, 12500), (5750, 12400), (6200, 11500), (6250, 11408), (7130, 10000), (7750, 9200)]