207914980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1709

約数の個数: 96

約数和(自身を含む): 545287680

約数和(自身を除く): 337372700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 260, 284, 355, 364, 455, 497, 710, 910, 923, 994, 1420, 1609, 1820, 1846, 1988, 2485, 3218, 3692, 4615, 4970, 6436, 6461, 8045, 9230, 9940, 11263, 12922, 16090, 18460, 20917, 22526, 25844, 32180, 32305, 41834, 45052, 56315, 64610, 83668, 104585, 112630, 114239, 129220, 146419, 209170, 225260, 228478, 292838, 418340, 456956, 571195, 585676, 732095, 799673, 1142390, 1464190, 1485107, 1599346, 2284780, 2928380, 2970214, 3198692, 3998365, 5940428, 7425535, 7996730, 10395749, 14851070, 15993460, 20791498, 29702140, 41582996, 51978745, 103957490, 207914980]

約数ペア:

[(1, 207914980), (2, 103957490), (4, 51978745), (5, 41582996), (7, 29702140), (10, 20791498), (13, 15993460), (14, 14851070), (20, 10395749), (26, 7996730), (28, 7425535), (35, 5940428), (52, 3998365), (65, 3198692), (70, 2970214), (71, 2928380), (91, 2284780), (130, 1599346), (140, 1485107), (142, 1464190), (182, 1142390), (260, 799673), (284, 732095), (355, 585676), (364, 571195), (455, 456956), (497, 418340), (710, 292838), (910, 228478), (923, 225260), (994, 209170), (1420, 146419), (1609, 129220), (1820, 114239), (1846, 112630), (1988, 104585), (2485, 83668), (3218, 64610), (3692, 56315), (4615, 45052), (4970, 41834), (6436, 32305), (6461, 32180), (8045, 25844), (9230, 22526), (9940, 20917), (11263, 18460), (12922, 16090)]