247379090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 523480320

約数和(自身を除く): 276101230

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 131, 262, 265, 371, 509, 530, 655, 742, 917, 1018, 1310, 1834, 1855, 2545, 3563, 3710, 4585, 5090, 6943, 7126, 9170, 13886, 17815, 26977, 34715, 35630, 48601, 53954, 66679, 69430, 97202, 133358, 134885, 188839, 243005, 269770, 333395, 377678, 466753, 486010, 666790, 933506, 944195, 1888390, 2333765, 3533987, 4667530, 7067974, 17669935, 24737909, 35339870, 49475818, 123689545, 247379090]

約数ペア:

[(1, 247379090), (2, 123689545), (5, 49475818), (7, 35339870), (10, 24737909), (14, 17669935), (35, 7067974), (53, 4667530), (70, 3533987), (106, 2333765), (131, 1888390), (262, 944195), (265, 933506), (371, 666790), (509, 486010), (530, 466753), (655, 377678), (742, 333395), (917, 269770), (1018, 243005), (1310, 188839), (1834, 134885), (1855, 133358), (2545, 97202), (3563, 69430), (3710, 66679), (4585, 53954), (5090, 48601), (6943, 35630), (7126, 34715), (9170, 26977), (13886, 17815)]