209944980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{55541}}^1$

素因数の和:55566

約数の個数: 96

約数和(自身を含む): 746484480

約数和(自身を除く): 536539500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 55541, 111082, 166623, 222164, 277705, 333246, 388787, 499869, 555410, 666492, 777574, 833115, 999738, 1110820, 1166361, 1499607, 1555148, 1666230, 1943935, 1999476, 2332722, 2499345, 2999214, 3332460, 3499083, 3887870, 4665444, 4998690, 5831805, 5998428, 6998166, 7498035, 7775740, 9997380, 10497249, 11663610, 13996332, 14996070, 17495415, 20994498, 23327220, 29992140, 34990830, 41988996, 52486245, 69981660, 104972490, 209944980]

約数ペア:

[(1, 209944980), (2, 104972490), (3, 69981660), (4, 52486245), (5, 41988996), (6, 34990830), (7, 29992140), (9, 23327220), (10, 20994498), (12, 17495415), (14, 14996070), (15, 13996332), (18, 11663610), (20, 10497249), (21, 9997380), (27, 7775740), (28, 7498035), (30, 6998166), (35, 5998428), (36, 5831805), (42, 4998690), (45, 4665444), (54, 3887870), (60, 3499083), (63, 3332460), (70, 2999214), (84, 2499345), (90, 2332722), (105, 1999476), (108, 1943935), (126, 1666230), (135, 1555148), (140, 1499607), (180, 1166361), (189, 1110820), (210, 999738), (252, 833115), (270, 777574), (315, 666492), (378, 555410), (420, 499869), (540, 388787), (630, 333246), (756, 277705), (945, 222164), (1260, 166623), (1890, 111082), (3780, 55541)]