71778140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73243}}^1$

素因数の和:73266

約数の個数: 36

約数和(自身を含む): 175346136

約数和(自身を除く): 103567996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73243, 146486, 292972, 366215, 512701, 732430, 1025402, 1464860, 2050804, 2563505, 3588907, 5127010, 7177814, 10254020, 14355628, 17944535, 35889070, 71778140]

約数ペア:

[(1, 71778140), (2, 35889070), (4, 17944535), (5, 14355628), (7, 10254020), (10, 7177814), (14, 5127010), (20, 3588907), (28, 2563505), (35, 2050804), (49, 1464860), (70, 1025402), (98, 732430), (140, 512701), (196, 366215), (245, 292972), (490, 146486), (980, 73243)]