28357070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 61603200

約数和(自身を除く): 33246130

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 61, 70, 122, 145, 203, 229, 290, 305, 406, 427, 458, 610, 854, 1015, 1145, 1603, 1769, 2030, 2135, 2290, 3206, 3538, 4270, 6641, 8015, 8845, 12383, 13282, 13969, 16030, 17690, 24766, 27938, 33205, 46487, 61915, 66410, 69845, 92974, 97783, 123830, 139690, 195566, 232435, 405101, 464870, 488915, 810202, 977830, 2025505, 2835707, 4051010, 5671414, 14178535, 28357070]

約数ペア:

[(1, 28357070), (2, 14178535), (5, 5671414), (7, 4051010), (10, 2835707), (14, 2025505), (29, 977830), (35, 810202), (58, 488915), (61, 464870), (70, 405101), (122, 232435), (145, 195566), (203, 139690), (229, 123830), (290, 97783), (305, 92974), (406, 69845), (427, 66410), (458, 61915), (610, 46487), (854, 33205), (1015, 27938), (1145, 24766), (1603, 17690), (1769, 16030), (2030, 13969), (2135, 13282), (2290, 12383), (3206, 8845), (3538, 8015), (4270, 6641)]