1900756715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^3\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 2800828800

約数和(自身を除く): 900072085

約数列:

[1, 5, 11, 13, 29, 55, 65, 109, 143, 145, 319, 377, 545, 715, 841, 1199, 1417, 1595, 1885, 3161, 4147, 4205, 5995, 7085, 9251, 10933, 15587, 15805, 20735, 24389, 34771, 41093, 46255, 54665, 77935, 91669, 120263, 121945, 173855, 205465, 268279, 317057, 452023, 458345, 601315, 1008359, 1191697, 1341395, 1585285, 2260115, 2658401, 3487627, 5041795, 5958485, 13108667, 13292005, 17438135, 29242411, 34559213, 65543335, 146212055, 172796065, 380151343, 1900756715]

約数ペア:

[(1, 1900756715), (5, 380151343), (11, 172796065), (13, 146212055), (29, 65543335), (55, 34559213), (65, 29242411), (109, 17438135), (143, 13292005), (145, 13108667), (319, 5958485), (377, 5041795), (545, 3487627), (715, 2658401), (841, 2260115), (1199, 1585285), (1417, 1341395), (1595, 1191697), (1885, 1008359), (3161, 601315), (4147, 458345), (4205, 452023), (5995, 317057), (7085, 268279), (9251, 205465), (10933, 173855), (15587, 121945), (15805, 120263), (20735, 91669), (24389, 77935), (34771, 54665), (41093, 46255)]