53334140

素因数分解:

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

素因数の和:219

約数の個数: 72

約数和(自身を含む): 120975120

約数和(自身を除く): 67640980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 89, 95, 166, 178, 190, 332, 356, 361, 380, 415, 445, 722, 830, 890, 1444, 1577, 1660, 1691, 1780, 1805, 3154, 3382, 3610, 6308, 6764, 7220, 7387, 7885, 8455, 14774, 15770, 16910, 29548, 29963, 31540, 32129, 33820, 36935, 59926, 64258, 73870, 119852, 128516, 140353, 147740, 149815, 160645, 280706, 299630, 321290, 561412, 599260, 642580, 701765, 1403530, 2666707, 2807060, 5333414, 10666828, 13333535, 26667070, 53334140]

約数ペア:

[(1, 53334140), (2, 26667070), (4, 13333535), (5, 10666828), (10, 5333414), (19, 2807060), (20, 2666707), (38, 1403530), (76, 701765), (83, 642580), (89, 599260), (95, 561412), (166, 321290), (178, 299630), (190, 280706), (332, 160645), (356, 149815), (361, 147740), (380, 140353), (415, 128516), (445, 119852), (722, 73870), (830, 64258), (890, 59926), (1444, 36935), (1577, 33820), (1660, 32129), (1691, 31540), (1780, 29963), (1805, 29548), (3154, 16910), (3382, 15770), (3610, 14774), (6308, 8455), (6764, 7885), (7220, 7387)]