28658140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29243}}^1$

素因数の和:29266

約数の個数: 36

約数和(自身を含む): 70010136

約数和(自身を除く): 41351996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29243, 58486, 116972, 146215, 204701, 292430, 409402, 584860, 818804, 1023505, 1432907, 2047010, 2865814, 4094020, 5731628, 7164535, 14329070, 28658140]

約数ペア:

[(1, 28658140), (2, 14329070), (4, 7164535), (5, 5731628), (7, 4094020), (10, 2865814), (14, 2047010), (20, 1432907), (28, 1023505), (35, 818804), (49, 584860), (70, 409402), (98, 292430), (140, 204701), (196, 146215), (245, 116972), (490, 58486), (980, 29243)]