181502860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 491248800

約数和(自身を除く): 309745940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 113, 140, 149, 154, 196, 220, 226, 245, 298, 308, 385, 452, 490, 539, 565, 596, 745, 770, 791, 980, 1043, 1078, 1130, 1243, 1490, 1540, 1582, 1639, 2086, 2156, 2260, 2486, 2695, 2980, 3164, 3278, 3955, 4172, 4972, 5215, 5390, 5537, 6215, 6556, 7301, 7910, 8195, 8701, 10430, 10780, 11074, 11473, 12430, 14602, 15820, 16390, 16837, 17402, 20860, 22148, 22946, 24860, 27685, 29204, 32780, 33674, 34804, 36505, 43505, 45892, 55370, 57365, 60907, 67348, 73010, 80311, 84185, 87010, 110740, 114730, 117859, 121814, 146020, 160622, 168370, 174020, 185207, 229460, 235718, 243628, 304535, 321244, 336740, 370414, 401555, 471436, 589295, 609070, 740828, 803110, 825013, 926035, 1178590, 1218140, 1296449, 1606220, 1650026, 1852070, 2357180, 2592898, 3300052, 3704140, 4125065, 5185796, 6482245, 8250130, 9075143, 12964490, 16500260, 18150286, 25928980, 36300572, 45375715, 90751430, 181502860]

約数ペア:

[(1, 181502860), (2, 90751430), (4, 45375715), (5, 36300572), (7, 25928980), (10, 18150286), (11, 16500260), (14, 12964490), (20, 9075143), (22, 8250130), (28, 6482245), (35, 5185796), (44, 4125065), (49, 3704140), (55, 3300052), (70, 2592898), (77, 2357180), (98, 1852070), (110, 1650026), (113, 1606220), (140, 1296449), (149, 1218140), (154, 1178590), (196, 926035), (220, 825013), (226, 803110), (245, 740828), (298, 609070), (308, 589295), (385, 471436), (452, 401555), (490, 370414), (539, 336740), (565, 321244), (596, 304535), (745, 243628), (770, 235718), (791, 229460), (980, 185207), (1043, 174020), (1078, 168370), (1130, 160622), (1243, 146020), (1490, 121814), (1540, 117859), (1582, 114730), (1639, 110740), (2086, 87010), (2156, 84185), (2260, 80311), (2486, 73010), (2695, 67348), (2980, 60907), (3164, 57365), (3278, 55370), (3955, 45892), (4172, 43505), (4972, 36505), (5215, 34804), (5390, 33674), (5537, 32780), (6215, 29204), (6556, 27685), (7301, 24860), (7910, 22946), (8195, 22148), (8701, 20860), (10430, 17402), (10780, 16837), (11074, 16390), (11473, 15820), (12430, 14602)]