70160980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 151240320

約数和(自身を除く): 81079340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 131, 244, 262, 305, 439, 524, 610, 655, 878, 1220, 1310, 1756, 2195, 2620, 4390, 7991, 8780, 15982, 26779, 31964, 39955, 53558, 57509, 79910, 107116, 115018, 133895, 159820, 230036, 267790, 287545, 535580, 575090, 1150180, 3508049, 7016098, 14032196, 17540245, 35080490, 70160980]

約数ペア:

[(1, 70160980), (2, 35080490), (4, 17540245), (5, 14032196), (10, 7016098), (20, 3508049), (61, 1150180), (122, 575090), (131, 535580), (244, 287545), (262, 267790), (305, 230036), (439, 159820), (524, 133895), (610, 115018), (655, 107116), (878, 79910), (1220, 57509), (1310, 53558), (1756, 39955), (2195, 31964), (2620, 26779), (4390, 15982), (7991, 8780)]