87638300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 197643600

約数和(自身を除く): 110005300

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 89, 100, 172, 178, 215, 229, 356, 430, 445, 458, 860, 890, 916, 1075, 1145, 1780, 2150, 2225, 2290, 3827, 4300, 4450, 4580, 5725, 7654, 8900, 9847, 11450, 15308, 19135, 19694, 20381, 22900, 38270, 39388, 40762, 49235, 76540, 81524, 95675, 98470, 101905, 191350, 196940, 203810, 246175, 382700, 407620, 492350, 509525, 876383, 984700, 1019050, 1752766, 2038100, 3505532, 4381915, 8763830, 17527660, 21909575, 43819150, 87638300]

約数ペア:

[(1, 87638300), (2, 43819150), (4, 21909575), (5, 17527660), (10, 8763830), (20, 4381915), (25, 3505532), (43, 2038100), (50, 1752766), (86, 1019050), (89, 984700), (100, 876383), (172, 509525), (178, 492350), (215, 407620), (229, 382700), (356, 246175), (430, 203810), (445, 196940), (458, 191350), (860, 101905), (890, 98470), (916, 95675), (1075, 81524), (1145, 76540), (1780, 49235), (2150, 40762), (2225, 39388), (2290, 38270), (3827, 22900), (4300, 20381), (4450, 19694), (4580, 19135), (5725, 15308), (7654, 11450), (8900, 9847)]