189925840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 505967616

約数和(自身を除く): 316041776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 43, 52, 62, 65, 80, 86, 104, 124, 130, 137, 155, 172, 208, 215, 248, 260, 274, 310, 344, 403, 430, 496, 520, 548, 559, 620, 685, 688, 806, 860, 1040, 1096, 1118, 1240, 1333, 1370, 1612, 1720, 1781, 2015, 2192, 2236, 2480, 2666, 2740, 2795, 3224, 3440, 3562, 4030, 4247, 4472, 5332, 5480, 5590, 5891, 6448, 6665, 7124, 8060, 8494, 8905, 8944, 10664, 10960, 11180, 11782, 13330, 14248, 16120, 16988, 17329, 17810, 21235, 21328, 22360, 23564, 26660, 28496, 29455, 32240, 33976, 34658, 35620, 42470, 44720, 47128, 53320, 55211, 58910, 67952, 69316, 71240, 76583, 84940, 86645, 94256, 106640, 110422, 117820, 138632, 142480, 153166, 169880, 173290, 182621, 220844, 235640, 276055, 277264, 306332, 339760, 346580, 365242, 382915, 441688, 471280, 552110, 612664, 693160, 730484, 765830, 883376, 913105, 1104220, 1225328, 1386320, 1460968, 1531660, 1826210, 2208440, 2374073, 2921936, 3063320, 3652420, 4416880, 4748146, 6126640, 7304840, 9496292, 11870365, 14609680, 18992584, 23740730, 37985168, 47481460, 94962920, 189925840]

約数ペア:

[(1, 189925840), (2, 94962920), (4, 47481460), (5, 37985168), (8, 23740730), (10, 18992584), (13, 14609680), (16, 11870365), (20, 9496292), (26, 7304840), (31, 6126640), (40, 4748146), (43, 4416880), (52, 3652420), (62, 3063320), (65, 2921936), (80, 2374073), (86, 2208440), (104, 1826210), (124, 1531660), (130, 1460968), (137, 1386320), (155, 1225328), (172, 1104220), (208, 913105), (215, 883376), (248, 765830), (260, 730484), (274, 693160), (310, 612664), (344, 552110), (403, 471280), (430, 441688), (496, 382915), (520, 365242), (548, 346580), (559, 339760), (620, 306332), (685, 277264), (688, 276055), (806, 235640), (860, 220844), (1040, 182621), (1096, 173290), (1118, 169880), (1240, 153166), (1333, 142480), (1370, 138632), (1612, 117820), (1720, 110422), (1781, 106640), (2015, 94256), (2192, 86645), (2236, 84940), (2480, 76583), (2666, 71240), (2740, 69316), (2795, 67952), (3224, 58910), (3440, 55211), (3562, 53320), (4030, 47128), (4247, 44720), (4472, 42470), (5332, 35620), (5480, 34658), (5590, 33976), (5891, 32240), (6448, 29455), (6665, 28496), (7124, 26660), (8060, 23564), (8494, 22360), (8905, 21328), (8944, 21235), (10664, 17810), (10960, 17329), (11180, 16988), (11782, 16120), (13330, 14248)]