64691900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7143

約数の個数: 72

約数和(自身を含む): 172801440

約数和(自身を除く): 108109540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 7109, 9100, 14218, 28436, 35545, 49763, 71090, 92417, 99526, 142180, 177725, 184834, 199052, 248815, 355450, 369668, 462085, 497630, 646919, 710900, 924170, 995260, 1244075, 1293838, 1848340, 2310425, 2488150, 2587676, 3234595, 4620850, 4976300, 6469190, 9241700, 12938380, 16172975, 32345950, 64691900]

約数ペア:

[(1, 64691900), (2, 32345950), (4, 16172975), (5, 12938380), (7, 9241700), (10, 6469190), (13, 4976300), (14, 4620850), (20, 3234595), (25, 2587676), (26, 2488150), (28, 2310425), (35, 1848340), (50, 1293838), (52, 1244075), (65, 995260), (70, 924170), (91, 710900), (100, 646919), (130, 497630), (140, 462085), (175, 369668), (182, 355450), (260, 248815), (325, 199052), (350, 184834), (364, 177725), (455, 142180), (650, 99526), (700, 92417), (910, 71090), (1300, 49763), (1820, 35545), (2275, 28436), (4550, 14218), (7109, 9100)]