16898140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 42345072

約数和(自身を除く): 25446932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 401, 430, 490, 602, 802, 860, 980, 1204, 1505, 1604, 2005, 2107, 2807, 3010, 4010, 4214, 5614, 6020, 8020, 8428, 10535, 11228, 14035, 17243, 19649, 21070, 28070, 34486, 39298, 42140, 56140, 68972, 78596, 86215, 98245, 120701, 172430, 196490, 241402, 344860, 392980, 482804, 603505, 844907, 1207010, 1689814, 2414020, 3379628, 4224535, 8449070, 16898140]

約数ペア:

[(1, 16898140), (2, 8449070), (4, 4224535), (5, 3379628), (7, 2414020), (10, 1689814), (14, 1207010), (20, 844907), (28, 603505), (35, 482804), (43, 392980), (49, 344860), (70, 241402), (86, 196490), (98, 172430), (140, 120701), (172, 98245), (196, 86215), (215, 78596), (245, 68972), (301, 56140), (401, 42140), (430, 39298), (490, 34486), (602, 28070), (802, 21070), (860, 19649), (980, 17243), (1204, 14035), (1505, 11228), (1604, 10535), (2005, 8428), (2107, 8020), (2807, 6020), (3010, 5614), (4010, 4214)]