991249380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8783}}^1$

素因数の和:8831

約数の個数: 192

約数和(自身を含む): 3541708800

約数和(自身を除く): 2550459420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 90, 95, 99, 108, 110, 114, 132, 135, 165, 171, 180, 190, 198, 209, 220, 228, 270, 285, 297, 330, 342, 380, 396, 418, 495, 513, 540, 570, 594, 627, 660, 684, 836, 855, 990, 1026, 1045, 1140, 1188, 1254, 1485, 1710, 1881, 1980, 2052, 2090, 2508, 2565, 2970, 3135, 3420, 3762, 4180, 5130, 5643, 5940, 6270, 7524, 8783, 9405, 10260, 11286, 12540, 17566, 18810, 22572, 26349, 28215, 35132, 37620, 43915, 52698, 56430, 79047, 87830, 96613, 105396, 112860, 131745, 158094, 166877, 175660, 193226, 237141, 263490, 289839, 316188, 333754, 386452, 395235, 474282, 483065, 500631, 526980, 579678, 667508, 790470, 834385, 869517, 948564, 966130, 1001262, 1159356, 1185705, 1449195, 1501893, 1580940, 1668770, 1739034, 1835647, 1932260, 2002524, 2371410, 2503155, 2608551, 2898390, 3003786, 3337540, 3478068, 3671294, 4347585, 4505679, 4742820, 5006310, 5217102, 5506941, 5796780, 6007572, 7342588, 7509465, 8695170, 9011358, 9178235, 10012620, 10434204, 11013882, 13042755, 15018930, 16520823, 17390340, 18022716, 18356470, 22027764, 22528395, 26085510, 27534705, 30037860, 33041646, 36712940, 45056790, 49562469, 52171020, 55069410, 66083292, 82604115, 90113580, 99124938, 110138820, 165208230, 198249876, 247812345, 330416460, 495624690, 991249380]

約数ペア:

[(1, 991249380), (2, 495624690), (3, 330416460), (4, 247812345), (5, 198249876), (6, 165208230), (9, 110138820), (10, 99124938), (11, 90113580), (12, 82604115), (15, 66083292), (18, 55069410), (19, 52171020), (20, 49562469), (22, 45056790), (27, 36712940), (30, 33041646), (33, 30037860), (36, 27534705), (38, 26085510), (44, 22528395), (45, 22027764), (54, 18356470), (55, 18022716), (57, 17390340), (60, 16520823), (66, 15018930), (76, 13042755), (90, 11013882), (95, 10434204), (99, 10012620), (108, 9178235), (110, 9011358), (114, 8695170), (132, 7509465), (135, 7342588), (165, 6007572), (171, 5796780), (180, 5506941), (190, 5217102), (198, 5006310), (209, 4742820), (220, 4505679), (228, 4347585), (270, 3671294), (285, 3478068), (297, 3337540), (330, 3003786), (342, 2898390), (380, 2608551), (396, 2503155), (418, 2371410), (495, 2002524), (513, 1932260), (540, 1835647), (570, 1739034), (594, 1668770), (627, 1580940), (660, 1501893), (684, 1449195), (836, 1185705), (855, 1159356), (990, 1001262), (1026, 966130), (1045, 948564), (1140, 869517), (1188, 834385), (1254, 790470), (1485, 667508), (1710, 579678), (1881, 526980), (1980, 500631), (2052, 483065), (2090, 474282), (2508, 395235), (2565, 386452), (2970, 333754), (3135, 316188), (3420, 289839), (3762, 263490), (4180, 237141), (5130, 193226), (5643, 175660), (5940, 166877), (6270, 158094), (7524, 131745), (8783, 112860), (9405, 105396), (10260, 96613), (11286, 87830), (12540, 79047), (17566, 56430), (18810, 52698), (22572, 43915), (26349, 37620), (28215, 35132)]