2013425900

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 4425539664

約数和(自身を除く): 2412113764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 181, 346, 362, 643, 692, 724, 865, 905, 1286, 1730, 1810, 2572, 3215, 3460, 3620, 4325, 4525, 6430, 8650, 9050, 12860, 16075, 17300, 18100, 31313, 32150, 62626, 64300, 111239, 116383, 125252, 156565, 222478, 232766, 313130, 444956, 465532, 556195, 581915, 626260, 782825, 1112390, 1163830, 1565650, 2224780, 2327660, 2780975, 2909575, 3131300, 5561950, 5819150, 11123900, 11638300, 20134259, 40268518, 80537036, 100671295, 201342590, 402685180, 503356475, 1006712950, 2013425900]

約数ペア:

[(1, 2013425900), (2, 1006712950), (4, 503356475), (5, 402685180), (10, 201342590), (20, 100671295), (25, 80537036), (50, 40268518), (100, 20134259), (173, 11638300), (181, 11123900), (346, 5819150), (362, 5561950), (643, 3131300), (692, 2909575), (724, 2780975), (865, 2327660), (905, 2224780), (1286, 1565650), (1730, 1163830), (1810, 1112390), (2572, 782825), (3215, 626260), (3460, 581915), (3620, 556195), (4325, 465532), (4525, 444956), (6430, 313130), (8650, 232766), (9050, 222478), (12860, 156565), (16075, 125252), (17300, 116383), (18100, 111239), (31313, 64300), (32150, 62626)]