74781640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6469}}^1$

素因数の和:6514

約数の個数: 48

約数和(自身を含む): 178766100

約数和(自身を除く): 103984460

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 6469, 11560, 12938, 25876, 32345, 51752, 64690, 109973, 129380, 219946, 258760, 439892, 549865, 879784, 1099730, 1869541, 2199460, 3739082, 4398920, 7478164, 9347705, 14956328, 18695410, 37390820, 74781640]

約数ペア:

[(1, 74781640), (2, 37390820), (4, 18695410), (5, 14956328), (8, 9347705), (10, 7478164), (17, 4398920), (20, 3739082), (34, 2199460), (40, 1869541), (68, 1099730), (85, 879784), (136, 549865), (170, 439892), (289, 258760), (340, 219946), (578, 129380), (680, 109973), (1156, 64690), (1445, 51752), (2312, 32345), (2890, 25876), (5780, 12938), (6469, 11560)]