28391700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 91869120

約数和(自身を除く): 63477420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 25, 30, 34, 38, 50, 51, 57, 60, 68, 75, 76, 85, 95, 100, 102, 114, 150, 170, 190, 204, 228, 255, 285, 293, 300, 323, 340, 380, 425, 475, 510, 570, 586, 646, 850, 879, 950, 969, 1020, 1140, 1172, 1275, 1292, 1425, 1465, 1615, 1700, 1758, 1900, 1938, 2550, 2850, 2930, 3230, 3516, 3876, 4395, 4845, 4981, 5100, 5567, 5700, 5860, 6460, 7325, 8075, 8790, 9690, 9962, 11134, 14650, 14943, 16150, 16701, 17580, 19380, 19924, 21975, 22268, 24225, 24905, 27835, 29300, 29886, 32300, 33402, 43950, 48450, 49810, 55670, 59772, 66804, 74715, 83505, 87900, 94639, 96900, 99620, 111340, 124525, 139175, 149430, 167010, 189278, 249050, 278350, 283917, 298860, 334020, 373575, 378556, 417525, 473195, 498100, 556700, 567834, 747150, 835050, 946390, 1135668, 1419585, 1494300, 1670100, 1892780, 2365975, 2839170, 4731950, 5678340, 7097925, 9463900, 14195850, 28391700]

約数ペア:

[(1, 28391700), (2, 14195850), (3, 9463900), (4, 7097925), (5, 5678340), (6, 4731950), (10, 2839170), (12, 2365975), (15, 1892780), (17, 1670100), (19, 1494300), (20, 1419585), (25, 1135668), (30, 946390), (34, 835050), (38, 747150), (50, 567834), (51, 556700), (57, 498100), (60, 473195), (68, 417525), (75, 378556), (76, 373575), (85, 334020), (95, 298860), (100, 283917), (102, 278350), (114, 249050), (150, 189278), (170, 167010), (190, 149430), (204, 139175), (228, 124525), (255, 111340), (285, 99620), (293, 96900), (300, 94639), (323, 87900), (340, 83505), (380, 74715), (425, 66804), (475, 59772), (510, 55670), (570, 49810), (586, 48450), (646, 43950), (850, 33402), (879, 32300), (950, 29886), (969, 29300), (1020, 27835), (1140, 24905), (1172, 24225), (1275, 22268), (1292, 21975), (1425, 19924), (1465, 19380), (1615, 17580), (1700, 16701), (1758, 16150), (1900, 14943), (1938, 14650), (2550, 11134), (2850, 9962), (2930, 9690), (3230, 8790), (3516, 8075), (3876, 7325), (4395, 6460), (4845, 5860), (4981, 5700), (5100, 5567)]