210919300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 472664192

約数和(自身を除く): 261744892

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 181, 215, 271, 362, 430, 542, 724, 860, 905, 1075, 1084, 1355, 1810, 2150, 2710, 3620, 4300, 4525, 5420, 6775, 7783, 9050, 11653, 13550, 15566, 18100, 23306, 27100, 31132, 38915, 46612, 49051, 58265, 77830, 98102, 116530, 155660, 194575, 196204, 233060, 245255, 291325, 389150, 490510, 582650, 778300, 981020, 1165300, 1226275, 2109193, 2452550, 4218386, 4905100, 8436772, 10545965, 21091930, 42183860, 52729825, 105459650, 210919300]

約数ペア:

[(1, 210919300), (2, 105459650), (4, 52729825), (5, 42183860), (10, 21091930), (20, 10545965), (25, 8436772), (43, 4905100), (50, 4218386), (86, 2452550), (100, 2109193), (172, 1226275), (181, 1165300), (215, 981020), (271, 778300), (362, 582650), (430, 490510), (542, 389150), (724, 291325), (860, 245255), (905, 233060), (1075, 196204), (1084, 194575), (1355, 155660), (1810, 116530), (2150, 98102), (2710, 77830), (3620, 58265), (4300, 49051), (4525, 46612), (5420, 38915), (6775, 31132), (7783, 27100), (9050, 23306), (11653, 18100), (13550, 15566)]