989919900

素因数分解:

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

素因数の和:11881

約数の個数: 144

約数和(自身を含む): 3285345280

約数和(自身を除く): 2295425380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 90, 93, 100, 108, 124, 135, 150, 155, 180, 186, 225, 270, 279, 300, 310, 372, 450, 465, 540, 558, 620, 675, 775, 837, 900, 930, 1116, 1350, 1395, 1550, 1674, 1860, 2325, 2700, 2790, 3100, 3348, 4185, 4650, 5580, 6975, 8370, 9300, 11827, 13950, 16740, 20925, 23654, 27900, 35481, 41850, 47308, 59135, 70962, 83700, 106443, 118270, 141924, 177405, 212886, 236540, 295675, 319329, 354810, 366637, 425772, 532215, 591350, 638658, 709620, 733274, 887025, 1064430, 1099911, 1182700, 1277316, 1466548, 1596645, 1774050, 1833185, 2128860, 2199822, 2661075, 3193290, 3299733, 3548100, 3666370, 4399644, 5322150, 5499555, 6386580, 6599466, 7332740, 7983225, 9165925, 9899199, 10644300, 10999110, 13198932, 15966450, 16498665, 18331850, 19798398, 21998220, 27497775, 31932900, 32997330, 36663700, 39596796, 49495995, 54995550, 65994660, 82493325, 98991990, 109991100, 164986650, 197983980, 247479975, 329973300, 494959950, 989919900]

約数ペア:

[(1, 989919900), (2, 494959950), (3, 329973300), (4, 247479975), (5, 197983980), (6, 164986650), (9, 109991100), (10, 98991990), (12, 82493325), (15, 65994660), (18, 54995550), (20, 49495995), (25, 39596796), (27, 36663700), (30, 32997330), (31, 31932900), (36, 27497775), (45, 21998220), (50, 19798398), (54, 18331850), (60, 16498665), (62, 15966450), (75, 13198932), (90, 10999110), (93, 10644300), (100, 9899199), (108, 9165925), (124, 7983225), (135, 7332740), (150, 6599466), (155, 6386580), (180, 5499555), (186, 5322150), (225, 4399644), (270, 3666370), (279, 3548100), (300, 3299733), (310, 3193290), (372, 2661075), (450, 2199822), (465, 2128860), (540, 1833185), (558, 1774050), (620, 1596645), (675, 1466548), (775, 1277316), (837, 1182700), (900, 1099911), (930, 1064430), (1116, 887025), (1350, 733274), (1395, 709620), (1550, 638658), (1674, 591350), (1860, 532215), (2325, 425772), (2700, 366637), (2790, 354810), (3100, 319329), (3348, 295675), (4185, 236540), (4650, 212886), (5580, 177405), (6975, 141924), (8370, 118270), (9300, 106443), (11827, 83700), (13950, 70962), (16740, 59135), (20925, 47308), (23654, 41850), (27900, 35481)]