149253880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{219491}}^1$

素因数の和:219519

約数の個数: 32

約数和(自身を含む): 355577040

約数和(自身を除く): 206323160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 219491, 438982, 877964, 1097455, 1755928, 2194910, 3731347, 4389820, 7462694, 8779640, 14925388, 18656735, 29850776, 37313470, 74626940, 149253880]

約数ペア:

[(1, 149253880), (2, 74626940), (4, 37313470), (5, 29850776), (8, 18656735), (10, 14925388), (17, 8779640), (20, 7462694), (34, 4389820), (40, 3731347), (68, 2194910), (85, 1755928), (136, 1097455), (170, 877964), (340, 438982), (680, 219491)]