218395100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 598461696

約数和(自身を除く): 380066596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 113, 140, 154, 175, 220, 226, 251, 275, 308, 350, 385, 452, 502, 550, 565, 700, 770, 791, 1004, 1100, 1130, 1243, 1255, 1540, 1582, 1757, 1925, 2260, 2486, 2510, 2761, 2825, 3164, 3514, 3850, 3955, 4972, 5020, 5522, 5650, 6215, 6275, 7028, 7700, 7910, 8701, 8785, 11044, 11300, 12430, 12550, 13805, 15820, 17402, 17570, 19327, 19775, 24860, 25100, 27610, 28363, 31075, 34804, 35140, 38654, 39550, 43505, 43925, 55220, 56726, 62150, 69025, 77308, 79100, 87010, 87850, 96635, 113452, 124300, 138050, 141815, 174020, 175700, 193270, 198541, 217525, 276100, 283630, 311993, 386540, 397082, 435050, 483175, 567260, 623986, 709075, 794164, 870100, 966350, 992705, 1247972, 1418150, 1559965, 1932700, 1985410, 2183951, 2836300, 3119930, 3970820, 4367902, 4963525, 6239860, 7799825, 8735804, 9927050, 10919755, 15599650, 19854100, 21839510, 31199300, 43679020, 54598775, 109197550, 218395100]

約数ペア:

[(1, 218395100), (2, 109197550), (4, 54598775), (5, 43679020), (7, 31199300), (10, 21839510), (11, 19854100), (14, 15599650), (20, 10919755), (22, 9927050), (25, 8735804), (28, 7799825), (35, 6239860), (44, 4963525), (50, 4367902), (55, 3970820), (70, 3119930), (77, 2836300), (100, 2183951), (110, 1985410), (113, 1932700), (140, 1559965), (154, 1418150), (175, 1247972), (220, 992705), (226, 966350), (251, 870100), (275, 794164), (308, 709075), (350, 623986), (385, 567260), (452, 483175), (502, 435050), (550, 397082), (565, 386540), (700, 311993), (770, 283630), (791, 276100), (1004, 217525), (1100, 198541), (1130, 193270), (1243, 175700), (1255, 174020), (1540, 141815), (1582, 138050), (1757, 124300), (1925, 113452), (2260, 96635), (2486, 87850), (2510, 87010), (2761, 79100), (2825, 77308), (3164, 69025), (3514, 62150), (3850, 56726), (3955, 55220), (4972, 43925), (5020, 43505), (5522, 39550), (5650, 38654), (6215, 35140), (6275, 34804), (7028, 31075), (7700, 28363), (7910, 27610), (8701, 25100), (8785, 24860), (11044, 19775), (11300, 19327), (12430, 17570), (12550, 17402), (13805, 15820)]