420143150

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{769}}^1$

素因数の和:1018

約数の個数: 72

約数和(自身を含む): 914316480

約数和(自身を除く): 494173330

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 223, 245, 350, 446, 490, 769, 1115, 1225, 1538, 1561, 2230, 2450, 3122, 3845, 5383, 5575, 7690, 7805, 10766, 10927, 11150, 15610, 19225, 21854, 26915, 37681, 38450, 39025, 53830, 54635, 75362, 78050, 109270, 134575, 171487, 188405, 269150, 273175, 342974, 376810, 546350, 857435, 942025, 1200409, 1714870, 1884050, 2400818, 4287175, 6002045, 8402863, 8574350, 12004090, 16805726, 30010225, 42014315, 60020450, 84028630, 210071575, 420143150]

約数ペア:

[(1, 420143150), (2, 210071575), (5, 84028630), (7, 60020450), (10, 42014315), (14, 30010225), (25, 16805726), (35, 12004090), (49, 8574350), (50, 8402863), (70, 6002045), (98, 4287175), (175, 2400818), (223, 1884050), (245, 1714870), (350, 1200409), (446, 942025), (490, 857435), (769, 546350), (1115, 376810), (1225, 342974), (1538, 273175), (1561, 269150), (2230, 188405), (2450, 171487), (3122, 134575), (3845, 109270), (5383, 78050), (5575, 75362), (7690, 54635), (7805, 53830), (10766, 39025), (10927, 38450), (11150, 37681), (15610, 26915), (19225, 21854)]