647421880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{136013}}^1$

素因数の和:136048

約数の個数: 64

約数和(自身を含む): 1762741440

約数和(自身を除く): 1115319560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 136013, 272026, 544052, 680065, 952091, 1088104, 1360130, 1904182, 2312221, 2720260, 3808364, 4624442, 4760455, 5440520, 7616728, 9248884, 9520910, 11561105, 16185547, 18497768, 19041820, 23122210, 32371094, 38083640, 46244420, 64742188, 80927735, 92488840, 129484376, 161855470, 323710940, 647421880]

約数ペア:

[(1, 647421880), (2, 323710940), (4, 161855470), (5, 129484376), (7, 92488840), (8, 80927735), (10, 64742188), (14, 46244420), (17, 38083640), (20, 32371094), (28, 23122210), (34, 19041820), (35, 18497768), (40, 16185547), (56, 11561105), (68, 9520910), (70, 9248884), (85, 7616728), (119, 5440520), (136, 4760455), (140, 4624442), (170, 3808364), (238, 2720260), (280, 2312221), (340, 1904182), (476, 1360130), (595, 1088104), (680, 952091), (952, 680065), (1190, 544052), (2380, 272026), (4760, 136013)]