1339609850

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 2518151328

約数和(自身を除く): 1178541478

約数列:

[1, 2, 5, 10, 25, 50, 197, 307, 394, 443, 614, 886, 985, 1535, 1970, 2215, 3070, 4430, 4925, 7675, 9850, 11075, 15350, 22150, 60479, 87271, 120958, 136001, 174542, 272002, 302395, 436355, 604790, 680005, 872710, 1360010, 1511975, 2181775, 3023950, 3400025, 4363550, 6800050, 26792197, 53584394, 133960985, 267921970, 669804925, 1339609850]

約数ペア:

[(1, 1339609850), (2, 669804925), (5, 267921970), (10, 133960985), (25, 53584394), (50, 26792197), (197, 6800050), (307, 4363550), (394, 3400025), (443, 3023950), (614, 2181775), (886, 1511975), (985, 1360010), (1535, 872710), (1970, 680005), (2215, 604790), (3070, 436355), (4430, 302395), (4925, 272002), (7675, 174542), (9850, 136001), (11075, 120958), (15350, 87271), (22150, 60479)]