197517390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1002

約数の個数: 128

約数和(自身を含む): 583676928

約数和(自身を除く): 386159538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 61, 70, 85, 102, 105, 119, 122, 170, 183, 210, 238, 255, 305, 357, 366, 427, 510, 595, 610, 714, 854, 907, 915, 1037, 1190, 1281, 1785, 1814, 1830, 2074, 2135, 2562, 2721, 3111, 3570, 4270, 4535, 5185, 5442, 6222, 6349, 6405, 7259, 9070, 10370, 12698, 12810, 13605, 14518, 15419, 15555, 19047, 21777, 27210, 30838, 31110, 31745, 36295, 38094, 43554, 46257, 55327, 63490, 72590, 77095, 92514, 95235, 107933, 108885, 110654, 154190, 165981, 190470, 215866, 217770, 231285, 276635, 323799, 331962, 387289, 462570, 539665, 553270, 647598, 774578, 829905, 940559, 1079330, 1161867, 1618995, 1659810, 1881118, 1936445, 2323734, 2821677, 3237990, 3872890, 4702795, 5643354, 5809335, 6583913, 9405590, 11618670, 13167826, 14108385, 19751739, 28216770, 32919565, 39503478, 65839130, 98758695, 197517390]

約数ペア:

[(1, 197517390), (2, 98758695), (3, 65839130), (5, 39503478), (6, 32919565), (7, 28216770), (10, 19751739), (14, 14108385), (15, 13167826), (17, 11618670), (21, 9405590), (30, 6583913), (34, 5809335), (35, 5643354), (42, 4702795), (51, 3872890), (61, 3237990), (70, 2821677), (85, 2323734), (102, 1936445), (105, 1881118), (119, 1659810), (122, 1618995), (170, 1161867), (183, 1079330), (210, 940559), (238, 829905), (255, 774578), (305, 647598), (357, 553270), (366, 539665), (427, 462570), (510, 387289), (595, 331962), (610, 323799), (714, 276635), (854, 231285), (907, 217770), (915, 215866), (1037, 190470), (1190, 165981), (1281, 154190), (1785, 110654), (1814, 108885), (1830, 107933), (2074, 95235), (2135, 92514), (2562, 77095), (2721, 72590), (3111, 63490), (3570, 55327), (4270, 46257), (4535, 43554), (5185, 38094), (5442, 36295), (6222, 31745), (6349, 31110), (6405, 30838), (7259, 27210), (9070, 21777), (10370, 19047), (12698, 15555), (12810, 15419), (13605, 14518)]