199979220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1531}}^1$

素因数の和:1861

約数の個数: 96

約数和(自身を含む): 642410496

約数和(自身を除く): 442431276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 311, 420, 622, 933, 1244, 1531, 1555, 1866, 2177, 3062, 3110, 3732, 4354, 4593, 4665, 6124, 6220, 6531, 7655, 8708, 9186, 9330, 10717, 10885, 13062, 15310, 18372, 18660, 21434, 21770, 22965, 26124, 30620, 32151, 32655, 42868, 43540, 45930, 53585, 64302, 65310, 91860, 107170, 128604, 130620, 160755, 214340, 321510, 476141, 643020, 952282, 1428423, 1904564, 2380705, 2856846, 3332987, 4761410, 5713692, 6665974, 7142115, 9522820, 9998961, 13331948, 14284230, 16664935, 19997922, 28568460, 33329870, 39995844, 49994805, 66659740, 99989610, 199979220]

約数ペア:

[(1, 199979220), (2, 99989610), (3, 66659740), (4, 49994805), (5, 39995844), (6, 33329870), (7, 28568460), (10, 19997922), (12, 16664935), (14, 14284230), (15, 13331948), (20, 9998961), (21, 9522820), (28, 7142115), (30, 6665974), (35, 5713692), (42, 4761410), (60, 3332987), (70, 2856846), (84, 2380705), (105, 1904564), (140, 1428423), (210, 952282), (311, 643020), (420, 476141), (622, 321510), (933, 214340), (1244, 160755), (1531, 130620), (1555, 128604), (1866, 107170), (2177, 91860), (3062, 65310), (3110, 64302), (3732, 53585), (4354, 45930), (4593, 43540), (4665, 42868), (6124, 32655), (6220, 32151), (6531, 30620), (7655, 26124), (8708, 22965), (9186, 21770), (9330, 21434), (10717, 18660), (10885, 18372), (13062, 15310)]