25398540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 77641200

約数和(自身を除く): 52242660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 947, 1341, 1490, 1788, 1894, 2235, 2682, 2841, 2980, 3788, 4470, 4735, 5364, 5682, 6705, 8523, 8940, 9470, 11364, 13410, 14205, 17046, 18940, 26820, 28410, 34092, 42615, 56820, 85230, 141103, 170460, 282206, 423309, 564412, 705515, 846618, 1269927, 1411030, 1693236, 2116545, 2539854, 2822060, 4233090, 5079708, 6349635, 8466180, 12699270, 25398540]

約数ペア:

[(1, 25398540), (2, 12699270), (3, 8466180), (4, 6349635), (5, 5079708), (6, 4233090), (9, 2822060), (10, 2539854), (12, 2116545), (15, 1693236), (18, 1411030), (20, 1269927), (30, 846618), (36, 705515), (45, 564412), (60, 423309), (90, 282206), (149, 170460), (180, 141103), (298, 85230), (447, 56820), (596, 42615), (745, 34092), (894, 28410), (947, 26820), (1341, 18940), (1490, 17046), (1788, 14205), (1894, 13410), (2235, 11364), (2682, 9470), (2841, 8940), (2980, 8523), (3788, 6705), (4470, 5682), (4735, 5364)]