708889480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20347}}^1$

素因数の和:20438

約数の個数: 64

約数和(自身を含む): 1743416640

約数和(自身を除く): 1034527160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 17420, 20347, 34840, 40694, 81388, 101735, 162776, 203470, 264511, 406940, 529022, 813880, 1058044, 1322555, 1363249, 2116088, 2645110, 2726498, 5290220, 5452996, 6816245, 10580440, 10905992, 13632490, 17722237, 27264980, 35444474, 54529960, 70888948, 88611185, 141777896, 177222370, 354444740, 708889480]

約数ペア:

[(1, 708889480), (2, 354444740), (4, 177222370), (5, 141777896), (8, 88611185), (10, 70888948), (13, 54529960), (20, 35444474), (26, 27264980), (40, 17722237), (52, 13632490), (65, 10905992), (67, 10580440), (104, 6816245), (130, 5452996), (134, 5290220), (260, 2726498), (268, 2645110), (335, 2116088), (520, 1363249), (536, 1322555), (670, 1058044), (871, 813880), (1340, 529022), (1742, 406940), (2680, 264511), (3484, 203470), (4355, 162776), (6968, 101735), (8710, 81388), (17420, 40694), (20347, 34840)]