205721790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1777

約数の個数: 64

約数和(自身を含む): 509483520

約数和(自身を除く): 303761730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 71, 118, 142, 177, 213, 295, 354, 355, 426, 590, 710, 885, 1065, 1637, 1770, 2130, 3274, 4189, 4911, 8185, 8378, 9822, 12567, 16370, 20945, 24555, 25134, 41890, 49110, 62835, 96583, 116227, 125670, 193166, 232454, 289749, 348681, 482915, 579498, 581135, 697362, 965830, 1162270, 1448745, 1743405, 2897490, 3486810, 6857393, 13714786, 20572179, 34286965, 41144358, 68573930, 102860895, 205721790]

約数ペア:

[(1, 205721790), (2, 102860895), (3, 68573930), (5, 41144358), (6, 34286965), (10, 20572179), (15, 13714786), (30, 6857393), (59, 3486810), (71, 2897490), (118, 1743405), (142, 1448745), (177, 1162270), (213, 965830), (295, 697362), (354, 581135), (355, 579498), (426, 482915), (590, 348681), (710, 289749), (885, 232454), (1065, 193166), (1637, 125670), (1770, 116227), (2130, 96583), (3274, 62835), (4189, 49110), (4911, 41890), (8185, 25134), (8378, 24555), (9822, 20945), (12567, 16370)]