199740660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67939}}^1$

素因数の和:67965

約数の個数: 72

約数和(自身を含む): 650593440

約数和(自身を除く): 450852780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 67939, 135878, 203817, 271756, 339695, 407634, 475573, 679390, 815268, 951146, 1019085, 1358780, 1426719, 1902292, 2038170, 2377865, 2853438, 3329011, 4076340, 4755730, 5706876, 6658022, 7133595, 9511460, 9987033, 13316044, 14267190, 16645055, 19974066, 28534380, 33290110, 39948132, 49935165, 66580220, 99870330, 199740660]

約数ペア:

[(1, 199740660), (2, 99870330), (3, 66580220), (4, 49935165), (5, 39948132), (6, 33290110), (7, 28534380), (10, 19974066), (12, 16645055), (14, 14267190), (15, 13316044), (20, 9987033), (21, 9511460), (28, 7133595), (30, 6658022), (35, 5706876), (42, 4755730), (49, 4076340), (60, 3329011), (70, 2853438), (84, 2377865), (98, 2038170), (105, 1902292), (140, 1426719), (147, 1358780), (196, 1019085), (210, 951146), (245, 815268), (294, 679390), (420, 475573), (490, 407634), (588, 339695), (735, 271756), (980, 203817), (1470, 135878), (2940, 67939)]