266670700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 108

約数和(自身を含む): 625038120

約数和(自身を除く): 358367420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 89, 95, 100, 166, 178, 190, 332, 356, 361, 380, 415, 445, 475, 722, 830, 890, 950, 1444, 1577, 1660, 1691, 1780, 1805, 1900, 2075, 2225, 3154, 3382, 3610, 4150, 4450, 6308, 6764, 7220, 7387, 7885, 8300, 8455, 8900, 9025, 14774, 15770, 16910, 18050, 29548, 29963, 31540, 32129, 33820, 36100, 36935, 39425, 42275, 59926, 64258, 73870, 78850, 84550, 119852, 128516, 140353, 147740, 149815, 157700, 160645, 169100, 184675, 280706, 299630, 321290, 369350, 561412, 599260, 642580, 701765, 738700, 749075, 803225, 1403530, 1498150, 1606450, 2666707, 2807060, 2996300, 3212900, 3508825, 5333414, 7017650, 10666828, 13333535, 14035300, 26667070, 53334140, 66667675, 133335350, 266670700]

約数ペア:

[(1, 266670700), (2, 133335350), (4, 66667675), (5, 53334140), (10, 26667070), (19, 14035300), (20, 13333535), (25, 10666828), (38, 7017650), (50, 5333414), (76, 3508825), (83, 3212900), (89, 2996300), (95, 2807060), (100, 2666707), (166, 1606450), (178, 1498150), (190, 1403530), (332, 803225), (356, 749075), (361, 738700), (380, 701765), (415, 642580), (445, 599260), (475, 561412), (722, 369350), (830, 321290), (890, 299630), (950, 280706), (1444, 184675), (1577, 169100), (1660, 160645), (1691, 157700), (1780, 149815), (1805, 147740), (1900, 140353), (2075, 128516), (2225, 119852), (3154, 84550), (3382, 78850), (3610, 73870), (4150, 64258), (4450, 59926), (6308, 42275), (6764, 39425), (7220, 36935), (7387, 36100), (7885, 33820), (8300, 32129), (8455, 31540), (8900, 29963), (9025, 29548), (14774, 18050), (15770, 16910)]