197983980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11827}}^1$

素因数の和:11876

約数の個数: 96

約数和(自身を含む): 635873280

約数和(自身を除く): 437889300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 11827, 16740, 23654, 35481, 47308, 59135, 70962, 106443, 118270, 141924, 177405, 212886, 236540, 319329, 354810, 366637, 425772, 532215, 638658, 709620, 733274, 1064430, 1099911, 1277316, 1466548, 1596645, 1833185, 2128860, 2199822, 3193290, 3299733, 3666370, 4399644, 5499555, 6386580, 6599466, 7332740, 9899199, 10999110, 13198932, 16498665, 19798398, 21998220, 32997330, 39596796, 49495995, 65994660, 98991990, 197983980]

約数ペア:

[(1, 197983980), (2, 98991990), (3, 65994660), (4, 49495995), (5, 39596796), (6, 32997330), (9, 21998220), (10, 19798398), (12, 16498665), (15, 13198932), (18, 10999110), (20, 9899199), (27, 7332740), (30, 6599466), (31, 6386580), (36, 5499555), (45, 4399644), (54, 3666370), (60, 3299733), (62, 3193290), (90, 2199822), (93, 2128860), (108, 1833185), (124, 1596645), (135, 1466548), (155, 1277316), (180, 1099911), (186, 1064430), (270, 733274), (279, 709620), (310, 638658), (372, 532215), (465, 425772), (540, 366637), (558, 354810), (620, 319329), (837, 236540), (930, 212886), (1116, 177405), (1395, 141924), (1674, 118270), (1860, 106443), (2790, 70962), (3348, 59135), (4185, 47308), (5580, 35481), (8370, 23654), (11827, 16740)]