28989870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 91699776

約数和(自身を除く): 62709906

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 37, 39, 41, 42, 49, 65, 70, 74, 78, 82, 91, 98, 105, 111, 123, 130, 147, 182, 185, 195, 205, 210, 222, 245, 246, 259, 273, 287, 294, 370, 390, 410, 455, 481, 490, 518, 533, 546, 555, 574, 615, 637, 735, 777, 861, 910, 962, 1066, 1110, 1230, 1274, 1295, 1365, 1435, 1443, 1470, 1517, 1554, 1599, 1722, 1813, 1911, 2009, 2405, 2590, 2665, 2730, 2870, 2886, 3034, 3185, 3198, 3367, 3626, 3731, 3822, 3885, 4018, 4305, 4551, 4810, 5330, 5439, 6027, 6370, 6734, 7215, 7462, 7585, 7770, 7995, 8610, 9065, 9102, 9555, 10045, 10101, 10619, 10878, 11193, 12054, 14430, 15170, 15990, 16835, 18130, 18655, 19110, 19721, 20090, 20202, 21238, 22386, 22755, 23569, 26117, 27195, 30135, 31857, 33670, 37310, 39442, 45510, 47138, 50505, 52234, 53095, 54390, 55965, 59163, 60270, 63714, 70707, 74333, 78351, 98605, 101010, 106190, 111930, 117845, 118326, 130585, 138047, 141414, 148666, 156702, 159285, 197210, 222999, 235690, 261170, 276094, 295815, 318570, 353535, 371665, 391755, 414141, 445998, 591630, 690235, 707070, 743330, 783510, 828282, 966329, 1114995, 1380470, 1932658, 2070705, 2229990, 2898987, 4141410, 4831645, 5797974, 9663290, 14494935, 28989870]

約数ペア:

[(1, 28989870), (2, 14494935), (3, 9663290), (5, 5797974), (6, 4831645), (7, 4141410), (10, 2898987), (13, 2229990), (14, 2070705), (15, 1932658), (21, 1380470), (26, 1114995), (30, 966329), (35, 828282), (37, 783510), (39, 743330), (41, 707070), (42, 690235), (49, 591630), (65, 445998), (70, 414141), (74, 391755), (78, 371665), (82, 353535), (91, 318570), (98, 295815), (105, 276094), (111, 261170), (123, 235690), (130, 222999), (147, 197210), (182, 159285), (185, 156702), (195, 148666), (205, 141414), (210, 138047), (222, 130585), (245, 118326), (246, 117845), (259, 111930), (273, 106190), (287, 101010), (294, 98605), (370, 78351), (390, 74333), (410, 70707), (455, 63714), (481, 60270), (490, 59163), (518, 55965), (533, 54390), (546, 53095), (555, 52234), (574, 50505), (615, 47138), (637, 45510), (735, 39442), (777, 37310), (861, 33670), (910, 31857), (962, 30135), (1066, 27195), (1110, 26117), (1230, 23569), (1274, 22755), (1295, 22386), (1365, 21238), (1435, 20202), (1443, 20090), (1470, 19721), (1517, 19110), (1554, 18655), (1599, 18130), (1722, 16835), (1813, 15990), (1911, 15170), (2009, 14430), (2405, 12054), (2590, 11193), (2665, 10878), (2730, 10619), (2870, 10101), (2886, 10045), (3034, 9555), (3185, 9102), (3198, 9065), (3367, 8610), (3626, 7995), (3731, 7770), (3822, 7585), (3885, 7462), (4018, 7215), (4305, 6734), (4551, 6370), (4810, 6027), (5330, 5439)]