343481425

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 527216256

約数和(自身を除く): 183734831

約数列:

[1, 5, 7, 23, 25, 35, 49, 73, 115, 161, 167, 175, 245, 365, 511, 575, 805, 835, 1127, 1169, 1225, 1679, 1825, 2555, 3577, 3841, 4025, 4175, 5635, 5845, 8183, 8395, 11753, 12191, 12775, 17885, 19205, 26887, 28175, 29225, 40915, 41975, 58765, 60955, 82271, 85337, 89425, 96025, 134435, 188209, 204575, 280393, 293825, 304775, 411355, 426685, 597359, 672175, 941045, 1401965, 1962751, 2056775, 2133425, 2986795, 4705225, 7009825, 9813755, 13739257, 14933975, 49068775, 68696285, 343481425]

約数ペア:

[(1, 343481425), (5, 68696285), (7, 49068775), (23, 14933975), (25, 13739257), (35, 9813755), (49, 7009825), (73, 4705225), (115, 2986795), (161, 2133425), (167, 2056775), (175, 1962751), (245, 1401965), (365, 941045), (511, 672175), (575, 597359), (805, 426685), (835, 411355), (1127, 304775), (1169, 293825), (1225, 280393), (1679, 204575), (1825, 188209), (2555, 134435), (3577, 96025), (3841, 89425), (4025, 85337), (4175, 82271), (5635, 60955), (5845, 58765), (8183, 41975), (8395, 40915), (11753, 29225), (12191, 28175), (12775, 26887), (17885, 19205)]