1864575775

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 2442700800

約数和(自身を除く): 578125025

約数列:

[1, 5, 25, 47, 53, 79, 235, 265, 379, 395, 1175, 1325, 1895, 1975, 2491, 3713, 4187, 9475, 12455, 17813, 18565, 20087, 20935, 29941, 62275, 89065, 92825, 100435, 104675, 149705, 196789, 445325, 502175, 748525, 944089, 983945, 1407227, 1586873, 4720445, 4919725, 7036135, 7934365, 23602225, 35180675, 39671825, 74583031, 372915155, 1864575775]

約数ペア:

[(1, 1864575775), (5, 372915155), (25, 74583031), (47, 39671825), (53, 35180675), (79, 23602225), (235, 7934365), (265, 7036135), (379, 4919725), (395, 4720445), (1175, 1586873), (1325, 1407227), (1895, 983945), (1975, 944089), (2491, 748525), (3713, 502175), (4187, 445325), (9475, 196789), (12455, 149705), (17813, 104675), (18565, 100435), (20087, 92825), (20935, 89065), (29941, 62275)]