70303720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28813}}^1$

素因数の和:28885

約数の個数: 32

約数和(自身を含む): 160782120

約数和(自身を除く): 90478400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 28813, 57626, 115252, 144065, 230504, 288130, 576260, 1152520, 1757593, 3515186, 7030372, 8787965, 14060744, 17575930, 35151860, 70303720]

約数ペア:

[(1, 70303720), (2, 35151860), (4, 17575930), (5, 14060744), (8, 8787965), (10, 7030372), (20, 3515186), (40, 1757593), (61, 1152520), (122, 576260), (244, 288130), (305, 230504), (488, 144065), (610, 115252), (1220, 57626), (2440, 28813)]