256217850

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1474

約数の個数: 192

約数和(自身を含む): 849945600

約数和(自身を除く): 593727750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 27, 30, 35, 38, 42, 45, 50, 54, 57, 63, 70, 75, 90, 95, 105, 114, 126, 133, 135, 150, 171, 175, 189, 190, 210, 225, 266, 270, 285, 315, 342, 350, 378, 399, 450, 475, 513, 525, 570, 630, 665, 675, 798, 855, 945, 950, 1026, 1050, 1197, 1330, 1350, 1425, 1427, 1575, 1710, 1890, 1995, 2394, 2565, 2850, 2854, 3150, 3325, 3591, 3990, 4275, 4281, 4725, 5130, 5985, 6650, 7135, 7182, 8550, 8562, 9450, 9975, 9989, 11970, 12825, 12843, 14270, 17955, 19950, 19978, 21405, 25650, 25686, 27113, 29925, 29967, 35675, 35910, 38529, 42810, 49945, 54226, 59850, 59934, 64215, 71350, 77058, 81339, 89775, 89901, 99890, 107025, 128430, 135565, 149835, 162678, 179550, 179802, 189791, 192645, 214050, 244017, 249725, 269703, 271130, 299670, 321075, 379582, 385290, 406695, 449505, 488034, 499450, 539406, 569373, 642150, 677825, 732051, 749175, 813390, 899010, 948955, 963225, 1138746, 1220085, 1348515, 1355650, 1464102, 1498350, 1708119, 1897910, 1926450, 2033475, 2247525, 2440170, 2697030, 2846865, 3416238, 3660255, 4066950, 4495050, 4744775, 5124357, 5693730, 6100425, 6742575, 7320510, 8540595, 9489550, 10248714, 12200850, 13485150, 14234325, 17081190, 18301275, 25621785, 28468650, 36602550, 42702975, 51243570, 85405950, 128108925, 256217850]

約数ペア:

[(1, 256217850), (2, 128108925), (3, 85405950), (5, 51243570), (6, 42702975), (7, 36602550), (9, 28468650), (10, 25621785), (14, 18301275), (15, 17081190), (18, 14234325), (19, 13485150), (21, 12200850), (25, 10248714), (27, 9489550), (30, 8540595), (35, 7320510), (38, 6742575), (42, 6100425), (45, 5693730), (50, 5124357), (54, 4744775), (57, 4495050), (63, 4066950), (70, 3660255), (75, 3416238), (90, 2846865), (95, 2697030), (105, 2440170), (114, 2247525), (126, 2033475), (133, 1926450), (135, 1897910), (150, 1708119), (171, 1498350), (175, 1464102), (189, 1355650), (190, 1348515), (210, 1220085), (225, 1138746), (266, 963225), (270, 948955), (285, 899010), (315, 813390), (342, 749175), (350, 732051), (378, 677825), (399, 642150), (450, 569373), (475, 539406), (513, 499450), (525, 488034), (570, 449505), (630, 406695), (665, 385290), (675, 379582), (798, 321075), (855, 299670), (945, 271130), (950, 269703), (1026, 249725), (1050, 244017), (1197, 214050), (1330, 192645), (1350, 189791), (1425, 179802), (1427, 179550), (1575, 162678), (1710, 149835), (1890, 135565), (1995, 128430), (2394, 107025), (2565, 99890), (2850, 89901), (2854, 89775), (3150, 81339), (3325, 77058), (3591, 71350), (3990, 64215), (4275, 59934), (4281, 59850), (4725, 54226), (5130, 49945), (5985, 42810), (6650, 38529), (7135, 35910), (7182, 35675), (8550, 29967), (8562, 29925), (9450, 27113), (9975, 25686), (9989, 25650), (11970, 21405), (12825, 19978), (12843, 19950), (14270, 17955)]