745571260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{1733}}^1$

素因数の和:2195

約数の個数: 72

約数和(自身を含む): 1826526240

約数和(自身を除く): 1080954980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 439, 490, 878, 980, 1733, 1756, 2195, 3073, 3466, 4390, 6146, 6932, 8665, 8780, 12131, 12292, 15365, 17330, 21511, 24262, 30730, 34660, 43022, 48524, 60655, 61460, 84917, 86044, 107555, 121310, 169834, 215110, 242620, 339668, 424585, 430220, 760787, 849170, 1521574, 1698340, 3043148, 3803935, 5325509, 7607870, 10651018, 15215740, 21302036, 26627545, 37278563, 53255090, 74557126, 106510180, 149114252, 186392815, 372785630, 745571260]

約数ペア:

[(1, 745571260), (2, 372785630), (4, 186392815), (5, 149114252), (7, 106510180), (10, 74557126), (14, 53255090), (20, 37278563), (28, 26627545), (35, 21302036), (49, 15215740), (70, 10651018), (98, 7607870), (140, 5325509), (196, 3803935), (245, 3043148), (439, 1698340), (490, 1521574), (878, 849170), (980, 760787), (1733, 430220), (1756, 424585), (2195, 339668), (3073, 242620), (3466, 215110), (4390, 169834), (6146, 121310), (6932, 107555), (8665, 86044), (8780, 84917), (12131, 61460), (12292, 60655), (15365, 48524), (17330, 43022), (21511, 34660), (24262, 30730)]