28426860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:333

約数の個数: 216

約数和(自身を含む): 109798416

約数和(自身を除く): 81371556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 293, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 586, 588, 630, 660, 693, 735, 770, 879, 882, 924, 980, 990, 1078, 1155, 1172, 1260, 1386, 1465, 1470, 1540, 1617, 1758, 1764, 1980, 2051, 2156, 2205, 2310, 2637, 2695, 2772, 2930, 2940, 3223, 3234, 3465, 3516, 4102, 4395, 4410, 4620, 4851, 5274, 5390, 5860, 6153, 6446, 6468, 6930, 8085, 8204, 8790, 8820, 9669, 9702, 10255, 10548, 10780, 12306, 12892, 13185, 13860, 14357, 16115, 16170, 17580, 18459, 19338, 19404, 20510, 22561, 24255, 24612, 26370, 28714, 29007, 30765, 32230, 32340, 36918, 38676, 41020, 43071, 45122, 48345, 48510, 52740, 57428, 58014, 61530, 64460, 67683, 71785, 73836, 86142, 90244, 92295, 96690, 97020, 112805, 116028, 123060, 129213, 135366, 143570, 145035, 157927, 172284, 184590, 193380, 203049, 215355, 225610, 258426, 270732, 287140, 290070, 315854, 338415, 369180, 406098, 430710, 451220, 473781, 516852, 580140, 631708, 646065, 676830, 789635, 812196, 861420, 947562, 1015245, 1292130, 1353660, 1421343, 1579270, 1895124, 2030490, 2368905, 2584260, 2842686, 3158540, 4060980, 4737810, 5685372, 7106715, 9475620, 14213430, 28426860]

約数ペア:

[(1, 28426860), (2, 14213430), (3, 9475620), (4, 7106715), (5, 5685372), (6, 4737810), (7, 4060980), (9, 3158540), (10, 2842686), (11, 2584260), (12, 2368905), (14, 2030490), (15, 1895124), (18, 1579270), (20, 1421343), (21, 1353660), (22, 1292130), (28, 1015245), (30, 947562), (33, 861420), (35, 812196), (36, 789635), (42, 676830), (44, 646065), (45, 631708), (49, 580140), (55, 516852), (60, 473781), (63, 451220), (66, 430710), (70, 406098), (77, 369180), (84, 338415), (90, 315854), (98, 290070), (99, 287140), (105, 270732), (110, 258426), (126, 225610), (132, 215355), (140, 203049), (147, 193380), (154, 184590), (165, 172284), (180, 157927), (196, 145035), (198, 143570), (210, 135366), (220, 129213), (231, 123060), (245, 116028), (252, 112805), (293, 97020), (294, 96690), (308, 92295), (315, 90244), (330, 86142), (385, 73836), (396, 71785), (420, 67683), (441, 64460), (462, 61530), (490, 58014), (495, 57428), (539, 52740), (586, 48510), (588, 48345), (630, 45122), (660, 43071), (693, 41020), (735, 38676), (770, 36918), (879, 32340), (882, 32230), (924, 30765), (980, 29007), (990, 28714), (1078, 26370), (1155, 24612), (1172, 24255), (1260, 22561), (1386, 20510), (1465, 19404), (1470, 19338), (1540, 18459), (1617, 17580), (1758, 16170), (1764, 16115), (1980, 14357), (2051, 13860), (2156, 13185), (2205, 12892), (2310, 12306), (2637, 10780), (2695, 10548), (2772, 10255), (2930, 9702), (2940, 9669), (3223, 8820), (3234, 8790), (3465, 8204), (3516, 8085), (4102, 6930), (4395, 6468), (4410, 6446), (4620, 6153), (4851, 5860), (5274, 5390)]