1020557200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 180

約数和(自身を含む): 2746276608

約数和(自身を除く): 1725719408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 169, 200, 208, 248, 260, 310, 325, 338, 400, 403, 487, 496, 520, 620, 650, 676, 775, 806, 845, 974, 1040, 1240, 1300, 1352, 1550, 1612, 1690, 1948, 2015, 2435, 2480, 2600, 2704, 3100, 3224, 3380, 3896, 4030, 4225, 4870, 5200, 5239, 6200, 6331, 6448, 6760, 7792, 8060, 8450, 9740, 10075, 10478, 12175, 12400, 12662, 13520, 15097, 16120, 16900, 19480, 20150, 20956, 24350, 25324, 26195, 30194, 31655, 32240, 33800, 38960, 40300, 41912, 48700, 50648, 52390, 60388, 63310, 67600, 75485, 80600, 82303, 83824, 97400, 101296, 104780, 120776, 126620, 130975, 150970, 158275, 161200, 164606, 194800, 196261, 209560, 241552, 253240, 261950, 301940, 316550, 329212, 377425, 392522, 411515, 419120, 506480, 523900, 603880, 633100, 658424, 754850, 785044, 823030, 981305, 1047800, 1207760, 1266200, 1316848, 1509700, 1570088, 1646060, 1962610, 2057575, 2095600, 2532400, 2551393, 3019400, 3140176, 3292120, 3925220, 4115150, 4906525, 5102786, 6038800, 6584240, 7850440, 8230300, 9813050, 10205572, 12756965, 15700880, 16460600, 19626100, 20411144, 25513930, 32921200, 39252200, 40822288, 51027860, 63784825, 78504400, 102055720, 127569650, 204111440, 255139300, 510278600, 1020557200]

約数ペア:

[(1, 1020557200), (2, 510278600), (4, 255139300), (5, 204111440), (8, 127569650), (10, 102055720), (13, 78504400), (16, 63784825), (20, 51027860), (25, 40822288), (26, 39252200), (31, 32921200), (40, 25513930), (50, 20411144), (52, 19626100), (62, 16460600), (65, 15700880), (80, 12756965), (100, 10205572), (104, 9813050), (124, 8230300), (130, 7850440), (155, 6584240), (169, 6038800), (200, 5102786), (208, 4906525), (248, 4115150), (260, 3925220), (310, 3292120), (325, 3140176), (338, 3019400), (400, 2551393), (403, 2532400), (487, 2095600), (496, 2057575), (520, 1962610), (620, 1646060), (650, 1570088), (676, 1509700), (775, 1316848), (806, 1266200), (845, 1207760), (974, 1047800), (1040, 981305), (1240, 823030), (1300, 785044), (1352, 754850), (1550, 658424), (1612, 633100), (1690, 603880), (1948, 523900), (2015, 506480), (2435, 419120), (2480, 411515), (2600, 392522), (2704, 377425), (3100, 329212), (3224, 316550), (3380, 301940), (3896, 261950), (4030, 253240), (4225, 241552), (4870, 209560), (5200, 196261), (5239, 194800), (6200, 164606), (6331, 161200), (6448, 158275), (6760, 150970), (7792, 130975), (8060, 126620), (8450, 120776), (9740, 104780), (10075, 101296), (10478, 97400), (12175, 83824), (12400, 82303), (12662, 80600), (13520, 75485), (15097, 67600), (16120, 63310), (16900, 60388), (19480, 52390), (20150, 50648), (20956, 48700), (24350, 41912), (25324, 40300), (26195, 38960), (30194, 33800), (31655, 32240)]