82132820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 230973120

約数和(自身を除く): 148840300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 380, 385, 401, 418, 490, 532, 539, 665, 770, 802, 836, 931, 980, 1045, 1078, 1330, 1463, 1540, 1604, 1862, 2005, 2090, 2156, 2660, 2695, 2807, 2926, 3724, 4010, 4180, 4411, 4655, 5390, 5614, 5852, 7315, 7619, 8020, 8822, 9310, 10241, 10780, 11228, 14035, 14630, 15238, 17644, 18620, 19649, 20482, 22055, 28070, 29260, 30476, 30877, 38095, 39298, 40964, 44110, 51205, 53333, 56140, 61754, 76190, 78596, 83809, 88220, 98245, 102410, 106666, 123508, 152380, 154385, 167618, 196490, 204820, 213332, 216139, 266665, 308770, 335236, 373331, 392980, 419045, 432278, 533330, 586663, 617540, 746662, 838090, 864556, 1066660, 1080695, 1173326, 1493324, 1676180, 1866655, 2161390, 2346652, 2933315, 3733310, 4106641, 4322780, 5866630, 7466620, 8213282, 11733260, 16426564, 20533205, 41066410, 82132820]

約数ペア:

[(1, 82132820), (2, 41066410), (4, 20533205), (5, 16426564), (7, 11733260), (10, 8213282), (11, 7466620), (14, 5866630), (19, 4322780), (20, 4106641), (22, 3733310), (28, 2933315), (35, 2346652), (38, 2161390), (44, 1866655), (49, 1676180), (55, 1493324), (70, 1173326), (76, 1080695), (77, 1066660), (95, 864556), (98, 838090), (110, 746662), (133, 617540), (140, 586663), (154, 533330), (190, 432278), (196, 419045), (209, 392980), (220, 373331), (245, 335236), (266, 308770), (308, 266665), (380, 216139), (385, 213332), (401, 204820), (418, 196490), (490, 167618), (532, 154385), (539, 152380), (665, 123508), (770, 106666), (802, 102410), (836, 98245), (931, 88220), (980, 83809), (1045, 78596), (1078, 76190), (1330, 61754), (1463, 56140), (1540, 53333), (1604, 51205), (1862, 44110), (2005, 40964), (2090, 39298), (2156, 38095), (2660, 30877), (2695, 30476), (2807, 29260), (2926, 28070), (3724, 22055), (4010, 20482), (4180, 19649), (4411, 18620), (4655, 17644), (5390, 15238), (5614, 14630), (5852, 14035), (7315, 11228), (7619, 10780), (8020, 10241), (8822, 9310)]