72892225

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 109278720

約数和(自身を除く): 36386495

約数列:

[1, 5, 7, 25, 29, 35, 53, 145, 175, 203, 265, 271, 371, 725, 1015, 1325, 1355, 1537, 1855, 1897, 5075, 6775, 7685, 7859, 9275, 9485, 10759, 14363, 38425, 39295, 47425, 53795, 55013, 71815, 100541, 196475, 268975, 275065, 359075, 416527, 502705, 1375325, 2082635, 2513525, 2915689, 10413175, 14578445, 72892225]

約数ペア:

[(1, 72892225), (5, 14578445), (7, 10413175), (25, 2915689), (29, 2513525), (35, 2082635), (53, 1375325), (145, 502705), (175, 416527), (203, 359075), (265, 275065), (271, 268975), (371, 196475), (725, 100541), (1015, 71815), (1325, 55013), (1355, 53795), (1537, 47425), (1855, 39295), (1897, 38425), (5075, 14363), (6775, 10759), (7685, 9485), (7859, 9275)]