51857960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 147744000

約数和(自身を除く): 95886040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 113, 140, 149, 154, 220, 226, 280, 298, 308, 385, 440, 452, 565, 596, 616, 745, 770, 791, 904, 1043, 1130, 1192, 1243, 1490, 1540, 1582, 1639, 2086, 2260, 2486, 2980, 3080, 3164, 3278, 3955, 4172, 4520, 4972, 5215, 5960, 6215, 6328, 6556, 7910, 8195, 8344, 8701, 9944, 10430, 11473, 12430, 13112, 15820, 16390, 16837, 17402, 20860, 22946, 24860, 31640, 32780, 33674, 34804, 41720, 43505, 45892, 49720, 57365, 65560, 67348, 69608, 84185, 87010, 91784, 114730, 117859, 134696, 168370, 174020, 185207, 229460, 235718, 336740, 348040, 370414, 458920, 471436, 589295, 673480, 740828, 926035, 942872, 1178590, 1296449, 1481656, 1852070, 2357180, 2592898, 3704140, 4714360, 5185796, 6482245, 7408280, 10371592, 12964490, 25928980, 51857960]

約数ペア:

[(1, 51857960), (2, 25928980), (4, 12964490), (5, 10371592), (7, 7408280), (8, 6482245), (10, 5185796), (11, 4714360), (14, 3704140), (20, 2592898), (22, 2357180), (28, 1852070), (35, 1481656), (40, 1296449), (44, 1178590), (55, 942872), (56, 926035), (70, 740828), (77, 673480), (88, 589295), (110, 471436), (113, 458920), (140, 370414), (149, 348040), (154, 336740), (220, 235718), (226, 229460), (280, 185207), (298, 174020), (308, 168370), (385, 134696), (440, 117859), (452, 114730), (565, 91784), (596, 87010), (616, 84185), (745, 69608), (770, 67348), (791, 65560), (904, 57365), (1043, 49720), (1130, 45892), (1192, 43505), (1243, 41720), (1490, 34804), (1540, 33674), (1582, 32780), (1639, 31640), (2086, 24860), (2260, 22946), (2486, 20860), (2980, 17402), (3080, 16837), (3164, 16390), (3278, 15820), (3955, 13112), (4172, 12430), (4520, 11473), (4972, 10430), (5215, 9944), (5960, 8701), (6215, 8344), (6328, 8195), (6556, 7910)]