128523220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2543}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 325672704

約数和(自身を除く): 197149484

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2527, 2543, 2660, 3610, 5054, 5086, 7220, 10108, 10172, 12635, 12715, 17801, 25270, 25430, 35602, 48317, 50540, 50860, 71204, 89005, 96634, 178010, 193268, 241585, 338219, 356020, 483170, 676438, 918023, 966340, 1352876, 1691095, 1836046, 3382190, 3672092, 4590115, 6426161, 6764380, 9180230, 12852322, 18360460, 25704644, 32130805, 64261610, 128523220]

約数ペア:

[(1, 128523220), (2, 64261610), (4, 32130805), (5, 25704644), (7, 18360460), (10, 12852322), (14, 9180230), (19, 6764380), (20, 6426161), (28, 4590115), (35, 3672092), (38, 3382190), (70, 1836046), (76, 1691095), (95, 1352876), (133, 966340), (140, 918023), (190, 676438), (266, 483170), (361, 356020), (380, 338219), (532, 241585), (665, 193268), (722, 178010), (1330, 96634), (1444, 89005), (1805, 71204), (2527, 50860), (2543, 50540), (2660, 48317), (3610, 35602), (5054, 25430), (5086, 25270), (7220, 17801), (10108, 12715), (10172, 12635)]