572288885

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 820594800

約数和(自身を除く): 248305915

約数列:

[1, 5, 7, 35, 49, 61, 149, 245, 257, 305, 427, 745, 1043, 1285, 1799, 2135, 2989, 5215, 7301, 8995, 9089, 12593, 14945, 15677, 36505, 38293, 45445, 62965, 63623, 78385, 109739, 191465, 268051, 318115, 445361, 548695, 768173, 1340255, 1876357, 2226805, 2335873, 3840865, 9381785, 11679365, 16351111, 81755555, 114457777, 572288885]

約数ペア:

[(1, 572288885), (5, 114457777), (7, 81755555), (35, 16351111), (49, 11679365), (61, 9381785), (149, 3840865), (245, 2335873), (257, 2226805), (305, 1876357), (427, 1340255), (745, 768173), (1043, 548695), (1285, 445361), (1799, 318115), (2135, 268051), (2989, 191465), (5215, 109739), (7301, 78385), (8995, 63623), (9089, 62965), (12593, 45445), (14945, 38293), (15677, 36505)]