1722440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 4144500

約数和(自身を除く): 2422060

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 289, 298, 340, 578, 596, 680, 745, 1156, 1192, 1445, 1490, 2312, 2533, 2890, 2980, 5066, 5780, 5960, 10132, 11560, 12665, 20264, 25330, 43061, 50660, 86122, 101320, 172244, 215305, 344488, 430610, 861220, 1722440]

約数ペア:

[(1, 1722440), (2, 861220), (4, 430610), (5, 344488), (8, 215305), (10, 172244), (17, 101320), (20, 86122), (34, 50660), (40, 43061), (68, 25330), (85, 20264), (136, 12665), (149, 11560), (170, 10132), (289, 5960), (298, 5780), (340, 5066), (578, 2980), (596, 2890), (680, 2533), (745, 2312), (1156, 1490), (1192, 1445)]