407872902340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{2624327}}^1$

素因数の和:2624764

約数の個数: 48

約数和(自身を含む): 903818563200

約数和(自身を除く): 495945660860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 409, 818, 1636, 2045, 4090, 7771, 8180, 15542, 31084, 38855, 77710, 155420, 2624327, 5248654, 10497308, 13121635, 26243270, 49862213, 52486540, 99724426, 199448852, 249311065, 498622130, 997244260, 1073349743, 2146699486, 4293398972, 5366748715, 10733497430, 20393645117, 21466994860, 40787290234, 81574580468, 101968225585, 203936451170, 407872902340]

約数ペア:

[(1, 407872902340), (2, 203936451170), (4, 101968225585), (5, 81574580468), (10, 40787290234), (19, 21466994860), (20, 20393645117), (38, 10733497430), (76, 5366748715), (95, 4293398972), (190, 2146699486), (380, 1073349743), (409, 997244260), (818, 498622130), (1636, 249311065), (2045, 199448852), (4090, 99724426), (7771, 52486540), (8180, 49862213), (15542, 26243270), (31084, 13121635), (38855, 10497308), (77710, 5248654), (155420, 2624327)]