200402720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{178931}}^1$

素因数の和:178953

約数の個数: 48

約数和(自身を含む): 541090368

約数和(自身を除く): 340687648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 178931, 357862, 715724, 894655, 1252517, 1431448, 1789310, 2505034, 2862896, 3578620, 5010068, 5725792, 6262585, 7157240, 10020136, 12525170, 14314480, 20040272, 25050340, 28628960, 40080544, 50100680, 100201360, 200402720]

約数ペア:

[(1, 200402720), (2, 100201360), (4, 50100680), (5, 40080544), (7, 28628960), (8, 25050340), (10, 20040272), (14, 14314480), (16, 12525170), (20, 10020136), (28, 7157240), (32, 6262585), (35, 5725792), (40, 5010068), (56, 3578620), (70, 2862896), (80, 2505034), (112, 1789310), (140, 1431448), (160, 1252517), (224, 894655), (280, 715724), (560, 357862), (1120, 178931)]