664907530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2339}}^1$

素因数の和:2515

約数の個数: 64

約数和(自身を含む): 1423319040

約数和(自身を除く): 758411510

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 131, 155, 217, 262, 310, 434, 655, 917, 1085, 1310, 1834, 2170, 2339, 4061, 4585, 4678, 8122, 9170, 11695, 16373, 20305, 23390, 28427, 32746, 40610, 56854, 72509, 81865, 142135, 145018, 163730, 284270, 306409, 362545, 507563, 612818, 725090, 1015126, 1532045, 2144863, 2537815, 3064090, 4289726, 5075630, 9498679, 10724315, 18997358, 21448630, 47493395, 66490753, 94986790, 132981506, 332453765, 664907530]

約数ペア:

[(1, 664907530), (2, 332453765), (5, 132981506), (7, 94986790), (10, 66490753), (14, 47493395), (31, 21448630), (35, 18997358), (62, 10724315), (70, 9498679), (131, 5075630), (155, 4289726), (217, 3064090), (262, 2537815), (310, 2144863), (434, 1532045), (655, 1015126), (917, 725090), (1085, 612818), (1310, 507563), (1834, 362545), (2170, 306409), (2339, 284270), (4061, 163730), (4585, 145018), (4678, 142135), (8122, 81865), (9170, 72509), (11695, 56854), (16373, 40610), (20305, 32746), (23390, 28427)]