671621975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 958510080

約数和(自身を除く): 286888105

約数列:

[1, 5, 17, 19, 25, 31, 85, 95, 155, 323, 425, 475, 527, 589, 775, 1615, 2635, 2683, 2945, 8075, 10013, 13175, 13415, 14725, 45611, 50065, 50977, 67075, 83173, 228055, 250325, 254885, 415865, 866609, 1140275, 1274425, 1413941, 1580287, 2079325, 4333045, 7069705, 7901435, 21665225, 26864879, 35348525, 39507175, 134324395, 671621975]

約数ペア:

[(1, 671621975), (5, 134324395), (17, 39507175), (19, 35348525), (25, 26864879), (31, 21665225), (85, 7901435), (95, 7069705), (155, 4333045), (323, 2079325), (425, 1580287), (475, 1413941), (527, 1274425), (589, 1140275), (775, 866609), (1615, 415865), (2635, 254885), (2683, 250325), (2945, 228055), (8075, 83173), (10013, 67075), (13175, 50977), (13415, 50065), (14725, 45611)]