20190183280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:827

約数の個数: 160

約数和(自身を含む): 50354187840

約数和(自身を除く): 30164004560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 197, 272, 340, 358, 394, 421, 680, 716, 788, 842, 895, 985, 1360, 1432, 1576, 1684, 1790, 1970, 2105, 2864, 3043, 3152, 3349, 3368, 3580, 3940, 4210, 6086, 6698, 6736, 7157, 7160, 7880, 8420, 12172, 13396, 14314, 14320, 15215, 15760, 16745, 16840, 24344, 26792, 28628, 30430, 33490, 33680, 35263, 35785, 48688, 53584, 57256, 60860, 66980, 70526, 71570, 75359, 82937, 114512, 121720, 133960, 141052, 143140, 150718, 165874, 176315, 243440, 267920, 282104, 286280, 301436, 331748, 352630, 376795, 414685, 564208, 572560, 599471, 602872, 663496, 705260, 753590, 829370, 1198942, 1205744, 1281103, 1326992, 1409929, 1410520, 1507180, 1658740, 2397884, 2562206, 2819858, 2821040, 2997355, 3014360, 3317480, 4795768, 5124412, 5639716, 5994710, 6028720, 6405515, 6634960, 7049645, 9591536, 10248824, 11279432, 11989420, 12811030, 14099290, 14845723, 20497648, 22558864, 23978840, 25622060, 28198580, 29691446, 47957680, 51244120, 56397160, 59382892, 74228615, 102488240, 112794320, 118765784, 148457230, 237531568, 252377291, 296914460, 504754582, 593828920, 1009509164, 1187657840, 1261886455, 2019018328, 2523772910, 4038036656, 5047545820, 10095091640, 20190183280]

約数ペア:

[(1, 20190183280), (2, 10095091640), (4, 5047545820), (5, 4038036656), (8, 2523772910), (10, 2019018328), (16, 1261886455), (17, 1187657840), (20, 1009509164), (34, 593828920), (40, 504754582), (68, 296914460), (80, 252377291), (85, 237531568), (136, 148457230), (170, 118765784), (179, 112794320), (197, 102488240), (272, 74228615), (340, 59382892), (358, 56397160), (394, 51244120), (421, 47957680), (680, 29691446), (716, 28198580), (788, 25622060), (842, 23978840), (895, 22558864), (985, 20497648), (1360, 14845723), (1432, 14099290), (1576, 12811030), (1684, 11989420), (1790, 11279432), (1970, 10248824), (2105, 9591536), (2864, 7049645), (3043, 6634960), (3152, 6405515), (3349, 6028720), (3368, 5994710), (3580, 5639716), (3940, 5124412), (4210, 4795768), (6086, 3317480), (6698, 3014360), (6736, 2997355), (7157, 2821040), (7160, 2819858), (7880, 2562206), (8420, 2397884), (12172, 1658740), (13396, 1507180), (14314, 1410520), (14320, 1409929), (15215, 1326992), (15760, 1281103), (16745, 1205744), (16840, 1198942), (24344, 829370), (26792, 753590), (28628, 705260), (30430, 663496), (33490, 602872), (33680, 599471), (35263, 572560), (35785, 564208), (48688, 414685), (53584, 376795), (57256, 352630), (60860, 331748), (66980, 301436), (70526, 286280), (71570, 282104), (75359, 267920), (82937, 243440), (114512, 176315), (121720, 165874), (133960, 150718), (141052, 143140)]