251014640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{136421}}^1$

素因数の和:136457

約数の個数: 40

約数和(自身を含む): 608987808

約数和(自身を除く): 357973168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 136421, 272842, 545684, 682105, 1091368, 1364210, 2182736, 2728420, 3137683, 5456840, 6275366, 10913680, 12550732, 15688415, 25101464, 31376830, 50202928, 62753660, 125507320, 251014640]

約数ペア:

[(1, 251014640), (2, 125507320), (4, 62753660), (5, 50202928), (8, 31376830), (10, 25101464), (16, 15688415), (20, 12550732), (23, 10913680), (40, 6275366), (46, 5456840), (80, 3137683), (92, 2728420), (115, 2182736), (184, 1364210), (230, 1091368), (368, 682105), (460, 545684), (920, 272842), (1840, 136421)]