397235940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389447}}^1$

素因数の和:389476

約数の個数: 48

約数和(自身を含む): 1177690752

約数和(自身を除く): 780454812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 389447, 778894, 1168341, 1557788, 1947235, 2336682, 3894470, 4673364, 5841705, 6620599, 7788940, 11683410, 13241198, 19861797, 23366820, 26482396, 33102995, 39723594, 66205990, 79447188, 99308985, 132411980, 198617970, 397235940]

約数ペア:

[(1, 397235940), (2, 198617970), (3, 132411980), (4, 99308985), (5, 79447188), (6, 66205990), (10, 39723594), (12, 33102995), (15, 26482396), (17, 23366820), (20, 19861797), (30, 13241198), (34, 11683410), (51, 7788940), (60, 6620599), (68, 5841705), (85, 4673364), (102, 3894470), (170, 2336682), (204, 1947235), (255, 1557788), (340, 1168341), (510, 778894), (1020, 389447)]