12730900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1433

約数の個数: 72

約数和(自身を含む): 34025600

約数和(自身を除く): 21294700

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, 1399, 1820, 2275, 2798, 4550, 5596, 6995, 9100, 9793, 13990, 18187, 19586, 27980, 34975, 36374, 39172, 48965, 69950, 72748, 90935, 97930, 127309, 139900, 181870, 195860, 244825, 254618, 363740, 454675, 489650, 509236, 636545, 909350, 979300, 1273090, 1818700, 2546180, 3182725, 6365450, 12730900]

約数ペア:

[(1, 12730900), (2, 6365450), (4, 3182725), (5, 2546180), (7, 1818700), (10, 1273090), (13, 979300), (14, 909350), (20, 636545), (25, 509236), (26, 489650), (28, 454675), (35, 363740), (50, 254618), (52, 244825), (65, 195860), (70, 181870), (91, 139900), (100, 127309), (130, 97930), (140, 90935), (175, 72748), (182, 69950), (260, 48965), (325, 39172), (350, 36374), (364, 34975), (455, 27980), (650, 19586), (700, 18187), (910, 13990), (1300, 9793), (1399, 9100), (1820, 6995), (2275, 5596), (2798, 4550)]