4949490

素因数分解:

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

素因数の和:81

約数の個数: 128

約数和(自身を含む): 15321600

約数和(自身を除く): 10372110

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 37, 39, 42, 49, 65, 70, 74, 78, 91, 98, 105, 111, 130, 147, 182, 185, 195, 210, 222, 245, 259, 273, 294, 343, 370, 390, 455, 481, 490, 518, 546, 555, 637, 686, 735, 777, 910, 962, 1029, 1110, 1274, 1295, 1365, 1443, 1470, 1554, 1715, 1813, 1911, 2058, 2405, 2590, 2730, 2886, 3185, 3367, 3430, 3626, 3822, 3885, 4459, 4810, 5145, 5439, 6370, 6734, 7215, 7770, 8918, 9065, 9555, 10101, 10290, 10878, 12691, 13377, 14430, 16835, 18130, 19110, 20202, 22295, 23569, 25382, 26754, 27195, 33670, 38073, 44590, 47138, 50505, 54390, 63455, 66885, 70707, 76146, 101010, 117845, 126910, 133770, 141414, 164983, 190365, 235690, 329966, 353535, 380730, 494949, 707070, 824915, 989898, 1649830, 2474745, 4949490]

約数ペア:

[(1, 4949490), (2, 2474745), (3, 1649830), (5, 989898), (6, 824915), (7, 707070), (10, 494949), (13, 380730), (14, 353535), (15, 329966), (21, 235690), (26, 190365), (30, 164983), (35, 141414), (37, 133770), (39, 126910), (42, 117845), (49, 101010), (65, 76146), (70, 70707), (74, 66885), (78, 63455), (91, 54390), (98, 50505), (105, 47138), (111, 44590), (130, 38073), (147, 33670), (182, 27195), (185, 26754), (195, 25382), (210, 23569), (222, 22295), (245, 20202), (259, 19110), (273, 18130), (294, 16835), (343, 14430), (370, 13377), (390, 12691), (455, 10878), (481, 10290), (490, 10101), (518, 9555), (546, 9065), (555, 8918), (637, 7770), (686, 7215), (735, 6734), (777, 6370), (910, 5439), (962, 5145), (1029, 4810), (1110, 4459), (1274, 3885), (1295, 3822), (1365, 3626), (1443, 3430), (1470, 3367), (1554, 3185), (1715, 2886), (1813, 2730), (1911, 2590), (2058, 2405)]