4322780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 11548656

約数和(自身を除く): 7225876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 401, 490, 539, 770, 802, 980, 1078, 1540, 1604, 2005, 2156, 2695, 2807, 4010, 4411, 5390, 5614, 8020, 8822, 10780, 11228, 14035, 17644, 19649, 22055, 28070, 30877, 39298, 44110, 56140, 61754, 78596, 88220, 98245, 123508, 154385, 196490, 216139, 308770, 392980, 432278, 617540, 864556, 1080695, 2161390, 4322780]

約数ペア:

[(1, 4322780), (2, 2161390), (4, 1080695), (5, 864556), (7, 617540), (10, 432278), (11, 392980), (14, 308770), (20, 216139), (22, 196490), (28, 154385), (35, 123508), (44, 98245), (49, 88220), (55, 78596), (70, 61754), (77, 56140), (98, 44110), (110, 39298), (140, 30877), (154, 28070), (196, 22055), (220, 19649), (245, 17644), (308, 14035), (385, 11228), (401, 10780), (490, 8822), (539, 8020), (770, 5614), (802, 5390), (980, 4411), (1078, 4010), (1540, 2807), (1604, 2695), (2005, 2156)]