389970070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:917

約数の個数: 64

約数和(自身を含む): 821882880

約数和(自身を除く): 431912810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 97, 158, 194, 395, 485, 553, 679, 727, 790, 970, 1106, 1358, 1454, 2765, 3395, 3635, 5089, 5530, 6790, 7270, 7663, 10178, 15326, 25445, 38315, 50890, 53641, 57433, 70519, 76630, 107282, 114866, 141038, 268205, 287165, 352595, 402031, 493633, 536410, 574330, 705190, 804062, 987266, 2010155, 2468165, 4020310, 4936330, 5571001, 11142002, 27855005, 38997007, 55710010, 77994014, 194985035, 389970070]

約数ペア:

[(1, 389970070), (2, 194985035), (5, 77994014), (7, 55710010), (10, 38997007), (14, 27855005), (35, 11142002), (70, 5571001), (79, 4936330), (97, 4020310), (158, 2468165), (194, 2010155), (395, 987266), (485, 804062), (553, 705190), (679, 574330), (727, 536410), (790, 493633), (970, 402031), (1106, 352595), (1358, 287165), (1454, 268205), (2765, 141038), (3395, 114866), (3635, 107282), (5089, 76630), (5530, 70519), (6790, 57433), (7270, 53641), (7663, 50890), (10178, 38315), (15326, 25445)]