17900082280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{63647}}^1$

素因数の和:63826

約数の個数: 64

約数和(自身を含む): 41243904000

約数和(自身を除く): 23343821720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 158, 178, 316, 356, 395, 445, 632, 712, 790, 890, 1580, 1780, 3160, 3560, 7031, 14062, 28124, 35155, 56248, 63647, 70310, 127294, 140620, 254588, 281240, 318235, 509176, 636470, 1272940, 2545880, 5028113, 5664583, 10056226, 11329166, 20112452, 22658332, 25140565, 28322915, 40224904, 45316664, 50281130, 56645830, 100562260, 113291660, 201124520, 226583320, 447502057, 895004114, 1790008228, 2237510285, 3580016456, 4475020570, 8950041140, 17900082280]

約数ペア:

[(1, 17900082280), (2, 8950041140), (4, 4475020570), (5, 3580016456), (8, 2237510285), (10, 1790008228), (20, 895004114), (40, 447502057), (79, 226583320), (89, 201124520), (158, 113291660), (178, 100562260), (316, 56645830), (356, 50281130), (395, 45316664), (445, 40224904), (632, 28322915), (712, 25140565), (790, 22658332), (890, 20112452), (1580, 11329166), (1780, 10056226), (3160, 5664583), (3560, 5028113), (7031, 2545880), (14062, 1272940), (28124, 636470), (35155, 509176), (56248, 318235), (63647, 281240), (70310, 254588), (127294, 140620)]