90156100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 209002248

約数和(自身を除く): 118846148

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 181, 293, 340, 362, 425, 586, 724, 850, 905, 1172, 1465, 1700, 1810, 2930, 3077, 3620, 4525, 4981, 5860, 6154, 7325, 9050, 9962, 12308, 14650, 15385, 18100, 19924, 24905, 29300, 30770, 49810, 53033, 61540, 76925, 99620, 106066, 124525, 153850, 212132, 249050, 265165, 307700, 498100, 530330, 901561, 1060660, 1325825, 1803122, 2651650, 3606244, 4507805, 5303300, 9015610, 18031220, 22539025, 45078050, 90156100]

約数ペア:

[(1, 90156100), (2, 45078050), (4, 22539025), (5, 18031220), (10, 9015610), (17, 5303300), (20, 4507805), (25, 3606244), (34, 2651650), (50, 1803122), (68, 1325825), (85, 1060660), (100, 901561), (170, 530330), (181, 498100), (293, 307700), (340, 265165), (362, 249050), (425, 212132), (586, 153850), (724, 124525), (850, 106066), (905, 99620), (1172, 76925), (1465, 61540), (1700, 53033), (1810, 49810), (2930, 30770), (3077, 29300), (3620, 24905), (4525, 19924), (4981, 18100), (5860, 15385), (6154, 14650), (7325, 12308), (9050, 9962)]