197040220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 462309120

約数和(自身を除く): 265268900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 79, 106, 130, 158, 181, 212, 260, 265, 316, 362, 395, 530, 689, 724, 790, 905, 1027, 1060, 1378, 1580, 1810, 2054, 2353, 2756, 3445, 3620, 4108, 4187, 4706, 5135, 6890, 8374, 9412, 9593, 10270, 11765, 13780, 14299, 16748, 19186, 20540, 20935, 23530, 28598, 38372, 41870, 47060, 47965, 54431, 57196, 71495, 83740, 95930, 108862, 124709, 142990, 185887, 191860, 217724, 249418, 272155, 285980, 371774, 498836, 544310, 623545, 743548, 757847, 929435, 1088620, 1247090, 1515694, 1858870, 2494180, 3031388, 3717740, 3789235, 7578470, 9852011, 15156940, 19704022, 39408044, 49260055, 98520110, 197040220]

約数ペア:

[(1, 197040220), (2, 98520110), (4, 49260055), (5, 39408044), (10, 19704022), (13, 15156940), (20, 9852011), (26, 7578470), (52, 3789235), (53, 3717740), (65, 3031388), (79, 2494180), (106, 1858870), (130, 1515694), (158, 1247090), (181, 1088620), (212, 929435), (260, 757847), (265, 743548), (316, 623545), (362, 544310), (395, 498836), (530, 371774), (689, 285980), (724, 272155), (790, 249418), (905, 217724), (1027, 191860), (1060, 185887), (1378, 142990), (1580, 124709), (1810, 108862), (2054, 95930), (2353, 83740), (2756, 71495), (3445, 57196), (3620, 54431), (4108, 47965), (4187, 47060), (4706, 41870), (5135, 38372), (6890, 28598), (8374, 23530), (9412, 20935), (9593, 20540), (10270, 19186), (11765, 16748), (13780, 14299)]