71440285

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 106704000

約数和(自身を除く): 35263715

約数列:

[1, 5, 7, 19, 35, 49, 95, 103, 133, 149, 245, 515, 665, 721, 745, 931, 1043, 1957, 2831, 3605, 4655, 5047, 5215, 7301, 9785, 13699, 14155, 15347, 19817, 25235, 36505, 68495, 76735, 95893, 99085, 107429, 138719, 291593, 479465, 537145, 693595, 752003, 1457965, 2041151, 3760015, 10205755, 14288057, 71440285]

約数ペア:

[(1, 71440285), (5, 14288057), (7, 10205755), (19, 3760015), (35, 2041151), (49, 1457965), (95, 752003), (103, 693595), (133, 537145), (149, 479465), (245, 291593), (515, 138719), (665, 107429), (721, 99085), (745, 95893), (931, 76735), (1043, 68495), (1957, 36505), (2831, 25235), (3605, 19817), (4655, 15347), (5047, 14155), (5215, 13699), (7301, 9785)]