401287645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 571069440

約数和(自身を除く): 169781795

約数列:

[1, 5, 11, 29, 47, 53, 55, 101, 145, 235, 265, 319, 505, 517, 583, 1111, 1363, 1537, 1595, 2491, 2585, 2915, 2929, 4747, 5353, 5555, 6815, 7685, 12455, 14645, 14993, 16907, 23735, 26765, 27401, 32219, 52217, 58883, 72239, 74965, 84535, 137005, 137663, 155237, 161095, 251591, 261085, 294415, 361195, 688315, 776185, 794629, 1257955, 1514293, 1707607, 2767501, 3973145, 7296139, 7571465, 8538035, 13837505, 36480695, 80257529, 401287645]

約数ペア:

[(1, 401287645), (5, 80257529), (11, 36480695), (29, 13837505), (47, 8538035), (53, 7571465), (55, 7296139), (101, 3973145), (145, 2767501), (235, 1707607), (265, 1514293), (319, 1257955), (505, 794629), (517, 776185), (583, 688315), (1111, 361195), (1363, 294415), (1537, 261085), (1595, 251591), (2491, 161095), (2585, 155237), (2915, 137663), (2929, 137005), (4747, 84535), (5353, 74965), (5555, 72239), (6815, 58883), (7685, 52217), (12455, 32219), (14645, 27401), (14993, 26765), (16907, 23735)]