28266490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 62519040

約数和(自身を除く): 34252550

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 53, 70, 95, 106, 133, 190, 265, 266, 371, 401, 530, 665, 742, 802, 1007, 1330, 1855, 2005, 2014, 2807, 3710, 4010, 5035, 5614, 7049, 7619, 10070, 14035, 14098, 15238, 21253, 28070, 35245, 38095, 42506, 53333, 70490, 76190, 106265, 106666, 148771, 212530, 266665, 297542, 403807, 533330, 743855, 807614, 1487710, 2019035, 2826649, 4038070, 5653298, 14133245, 28266490]

約数ペア:

[(1, 28266490), (2, 14133245), (5, 5653298), (7, 4038070), (10, 2826649), (14, 2019035), (19, 1487710), (35, 807614), (38, 743855), (53, 533330), (70, 403807), (95, 297542), (106, 266665), (133, 212530), (190, 148771), (265, 106666), (266, 106265), (371, 76190), (401, 70490), (530, 53333), (665, 42506), (742, 38095), (802, 35245), (1007, 28070), (1330, 21253), (1855, 15238), (2005, 14098), (2014, 14035), (2807, 10070), (3710, 7619), (4010, 7049), (5035, 5614)]