218435840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{24379}}^1$

素因数の和:24407

約数の個数: 72

約数和(自身を含む): 597992640

約数和(自身を除く): 379556800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 24379, 48758, 97516, 121895, 170653, 195032, 243790, 341306, 390064, 487580, 682612, 780128, 853265, 975160, 1365224, 1560256, 1706530, 1950320, 2730448, 3120512, 3413060, 3900640, 5460896, 6241024, 6826120, 7801280, 10921792, 13652240, 15602560, 21843584, 27304480, 31205120, 43687168, 54608960, 109217920, 218435840]

約数ペア:

[(1, 218435840), (2, 109217920), (4, 54608960), (5, 43687168), (7, 31205120), (8, 27304480), (10, 21843584), (14, 15602560), (16, 13652240), (20, 10921792), (28, 7801280), (32, 6826120), (35, 6241024), (40, 5460896), (56, 3900640), (64, 3413060), (70, 3120512), (80, 2730448), (112, 1950320), (128, 1706530), (140, 1560256), (160, 1365224), (224, 975160), (256, 853265), (280, 780128), (320, 682612), (448, 487580), (560, 390064), (640, 341306), (896, 243790), (1120, 195032), (1280, 170653), (1792, 121895), (2240, 97516), (4480, 48758), (8960, 24379)]