7984900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 23248512

約数和(自身を除く): 15263612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 61, 68, 70, 77, 85, 100, 110, 119, 122, 140, 154, 170, 175, 187, 220, 238, 244, 275, 305, 308, 340, 350, 374, 385, 425, 427, 476, 550, 595, 610, 671, 700, 748, 770, 850, 854, 935, 1037, 1100, 1190, 1220, 1309, 1342, 1525, 1540, 1700, 1708, 1870, 1925, 2074, 2135, 2380, 2618, 2684, 2975, 3050, 3355, 3740, 3850, 4148, 4270, 4675, 4697, 5185, 5236, 5950, 6100, 6545, 6710, 7259, 7700, 8540, 9350, 9394, 10370, 10675, 11407, 11900, 13090, 13420, 14518, 16775, 18700, 18788, 20740, 21350, 22814, 23485, 25925, 26180, 29036, 32725, 33550, 36295, 42700, 45628, 46970, 51850, 57035, 65450, 67100, 72590, 79849, 93940, 103700, 114070, 117425, 130900, 145180, 159698, 181475, 228140, 234850, 285175, 319396, 362950, 399245, 469700, 570350, 725900, 798490, 1140700, 1596980, 1996225, 3992450, 7984900]

約数ペア:

[(1, 7984900), (2, 3992450), (4, 1996225), (5, 1596980), (7, 1140700), (10, 798490), (11, 725900), (14, 570350), (17, 469700), (20, 399245), (22, 362950), (25, 319396), (28, 285175), (34, 234850), (35, 228140), (44, 181475), (50, 159698), (55, 145180), (61, 130900), (68, 117425), (70, 114070), (77, 103700), (85, 93940), (100, 79849), (110, 72590), (119, 67100), (122, 65450), (140, 57035), (154, 51850), (170, 46970), (175, 45628), (187, 42700), (220, 36295), (238, 33550), (244, 32725), (275, 29036), (305, 26180), (308, 25925), (340, 23485), (350, 22814), (374, 21350), (385, 20740), (425, 18788), (427, 18700), (476, 16775), (550, 14518), (595, 13420), (610, 13090), (671, 11900), (700, 11407), (748, 10675), (770, 10370), (850, 9394), (854, 9350), (935, 8540), (1037, 7700), (1100, 7259), (1190, 6710), (1220, 6545), (1309, 6100), (1342, 5950), (1525, 5236), (1540, 5185), (1700, 4697), (1708, 4675), (1870, 4270), (1925, 4148), (2074, 3850), (2135, 3740), (2380, 3355), (2618, 3050), (2684, 2975)]