28442190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 85598208

約数和(自身を除く): 57156018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 31, 34, 35, 42, 51, 62, 70, 85, 93, 102, 105, 119, 155, 170, 186, 210, 217, 238, 255, 257, 310, 357, 434, 465, 510, 514, 527, 595, 651, 714, 771, 930, 1054, 1085, 1190, 1285, 1302, 1542, 1581, 1785, 1799, 2170, 2570, 2635, 3162, 3255, 3570, 3598, 3689, 3855, 4369, 5270, 5397, 6510, 7378, 7710, 7905, 7967, 8738, 8995, 10794, 11067, 13107, 15810, 15934, 17990, 18445, 21845, 22134, 23901, 26214, 26985, 30583, 36890, 39835, 43690, 47802, 53970, 55335, 55769, 61166, 65535, 79670, 91749, 110670, 111538, 119505, 131070, 135439, 152915, 167307, 183498, 239010, 270878, 278845, 305830, 334614, 406317, 458745, 557690, 677195, 812634, 836535, 917490, 948073, 1354390, 1673070, 1896146, 2031585, 2844219, 4063170, 4740365, 5688438, 9480730, 14221095, 28442190]

約数ペア:

[(1, 28442190), (2, 14221095), (3, 9480730), (5, 5688438), (6, 4740365), (7, 4063170), (10, 2844219), (14, 2031585), (15, 1896146), (17, 1673070), (21, 1354390), (30, 948073), (31, 917490), (34, 836535), (35, 812634), (42, 677195), (51, 557690), (62, 458745), (70, 406317), (85, 334614), (93, 305830), (102, 278845), (105, 270878), (119, 239010), (155, 183498), (170, 167307), (186, 152915), (210, 135439), (217, 131070), (238, 119505), (255, 111538), (257, 110670), (310, 91749), (357, 79670), (434, 65535), (465, 61166), (510, 55769), (514, 55335), (527, 53970), (595, 47802), (651, 43690), (714, 39835), (771, 36890), (930, 30583), (1054, 26985), (1085, 26214), (1190, 23901), (1285, 22134), (1302, 21845), (1542, 18445), (1581, 17990), (1785, 15934), (1799, 15810), (2170, 13107), (2570, 11067), (2635, 10794), (3162, 8995), (3255, 8738), (3570, 7967), (3598, 7905), (3689, 7710), (3855, 7378), (4369, 6510), (5270, 5397)]