201727780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{2053}}^1$

素因数の和:2113

約数の個数: 48

約数和(自身を含む): 450318960

約数和(自身を除く): 248591180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2053, 2890, 4106, 4913, 5780, 8212, 9826, 10265, 19652, 20530, 24565, 34901, 41060, 49130, 69802, 98260, 139604, 174505, 349010, 593317, 698020, 1186634, 2373268, 2966585, 5933170, 10086389, 11866340, 20172778, 40345556, 50431945, 100863890, 201727780]

約数ペア:

[(1, 201727780), (2, 100863890), (4, 50431945), (5, 40345556), (10, 20172778), (17, 11866340), (20, 10086389), (34, 5933170), (68, 2966585), (85, 2373268), (170, 1186634), (289, 698020), (340, 593317), (578, 349010), (1156, 174505), (1445, 139604), (2053, 98260), (2890, 69802), (4106, 49130), (4913, 41060), (5780, 34901), (8212, 24565), (9826, 20530), (10265, 19652)]