420081260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 943605936

約数和(自身を除く): 523524676

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 361, 380, 415, 701, 722, 830, 1402, 1444, 1577, 1660, 1805, 2804, 3154, 3505, 3610, 6308, 7010, 7220, 7885, 13319, 14020, 15770, 26638, 29963, 31540, 53276, 58183, 59926, 66595, 116366, 119852, 133190, 149815, 232732, 253061, 266380, 290915, 299630, 506122, 581830, 599260, 1012244, 1105477, 1163660, 1265305, 2210954, 2530610, 4421908, 5061220, 5527385, 11054770, 21004063, 22109540, 42008126, 84016252, 105020315, 210040630, 420081260]

約数ペア:

[(1, 420081260), (2, 210040630), (4, 105020315), (5, 84016252), (10, 42008126), (19, 22109540), (20, 21004063), (38, 11054770), (76, 5527385), (83, 5061220), (95, 4421908), (166, 2530610), (190, 2210954), (332, 1265305), (361, 1163660), (380, 1105477), (415, 1012244), (701, 599260), (722, 581830), (830, 506122), (1402, 299630), (1444, 290915), (1577, 266380), (1660, 253061), (1805, 232732), (2804, 149815), (3154, 133190), (3505, 119852), (3610, 116366), (6308, 66595), (7010, 59926), (7220, 58183), (7885, 53276), (13319, 31540), (14020, 29963), (15770, 26638)]