4217740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 9471168

約数和(自身を除く): 5253428

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 173, 212, 230, 265, 346, 460, 530, 692, 865, 1060, 1219, 1730, 2438, 3460, 3979, 4876, 6095, 7958, 9169, 12190, 15916, 18338, 19895, 24380, 36676, 39790, 45845, 79580, 91690, 183380, 210887, 421774, 843548, 1054435, 2108870, 4217740]

約数ペア:

[(1, 4217740), (2, 2108870), (4, 1054435), (5, 843548), (10, 421774), (20, 210887), (23, 183380), (46, 91690), (53, 79580), (92, 45845), (106, 39790), (115, 36676), (173, 24380), (212, 19895), (230, 18338), (265, 15916), (346, 12190), (460, 9169), (530, 7958), (692, 6095), (865, 4876), (1060, 3979), (1219, 3460), (1730, 2438)]