85484980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19697}}^1$

素因数の和:19744

約数の個数: 48

約数和(自身を含む): 211792896

約数和(自身を除く): 126307916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19697, 39394, 78788, 98485, 137879, 196970, 275758, 393940, 551516, 610607, 689395, 1221214, 1378790, 2442428, 2757580, 3053035, 4274249, 6106070, 8548498, 12212140, 17096996, 21371245, 42742490, 85484980]

約数ペア:

[(1, 85484980), (2, 42742490), (4, 21371245), (5, 17096996), (7, 12212140), (10, 8548498), (14, 6106070), (20, 4274249), (28, 3053035), (31, 2757580), (35, 2442428), (62, 1378790), (70, 1221214), (124, 689395), (140, 610607), (155, 551516), (217, 393940), (310, 275758), (434, 196970), (620, 137879), (868, 98485), (1085, 78788), (2170, 39394), (4340, 19697)]