189997100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 442815408

約数和(自身を除く): 252818308

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 170, 292, 340, 365, 425, 730, 850, 1241, 1460, 1531, 1700, 1825, 2482, 3062, 3650, 4964, 6124, 6205, 7300, 7655, 12410, 15310, 24820, 26027, 30620, 31025, 38275, 52054, 62050, 76550, 104108, 111763, 124100, 130135, 153100, 223526, 260270, 447052, 520540, 558815, 650675, 1117630, 1301350, 1899971, 2235260, 2602700, 2794075, 3799942, 5588150, 7599884, 9499855, 11176300, 18999710, 37999420, 47499275, 94998550, 189997100]

約数ペア:

[(1, 189997100), (2, 94998550), (4, 47499275), (5, 37999420), (10, 18999710), (17, 11176300), (20, 9499855), (25, 7599884), (34, 5588150), (50, 3799942), (68, 2794075), (73, 2602700), (85, 2235260), (100, 1899971), (146, 1301350), (170, 1117630), (292, 650675), (340, 558815), (365, 520540), (425, 447052), (730, 260270), (850, 223526), (1241, 153100), (1460, 130135), (1531, 124100), (1700, 111763), (1825, 104108), (2482, 76550), (3062, 62050), (3650, 52054), (4964, 38275), (6124, 31025), (6205, 30620), (7300, 26027), (7655, 24820), (12410, 15310)]