56196140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 161681184

約数和(自身を除く): 105485044

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 401, 455, 490, 539, 572, 637, 715, 770, 802, 910, 980, 1001, 1078, 1274, 1430, 1540, 1604, 1820, 2002, 2005, 2156, 2548, 2695, 2807, 2860, 3185, 4004, 4010, 4411, 5005, 5213, 5390, 5614, 6370, 7007, 8020, 8822, 10010, 10426, 10780, 11228, 12740, 14014, 14035, 17644, 19649, 20020, 20852, 22055, 26065, 28028, 28070, 30877, 35035, 36491, 39298, 44110, 52130, 56140, 57343, 61754, 70070, 72982, 78596, 88220, 98245, 104260, 114686, 123508, 140140, 145964, 154385, 182455, 196490, 216139, 229372, 255437, 286715, 308770, 364910, 392980, 401401, 432278, 510874, 573430, 617540, 729820, 802802, 864556, 1021748, 1080695, 1146860, 1277185, 1605604, 2007005, 2161390, 2554370, 2809807, 4014010, 4322780, 5108740, 5619614, 8028020, 11239228, 14049035, 28098070, 56196140]

約数ペア:

[(1, 56196140), (2, 28098070), (4, 14049035), (5, 11239228), (7, 8028020), (10, 5619614), (11, 5108740), (13, 4322780), (14, 4014010), (20, 2809807), (22, 2554370), (26, 2161390), (28, 2007005), (35, 1605604), (44, 1277185), (49, 1146860), (52, 1080695), (55, 1021748), (65, 864556), (70, 802802), (77, 729820), (91, 617540), (98, 573430), (110, 510874), (130, 432278), (140, 401401), (143, 392980), (154, 364910), (182, 308770), (196, 286715), (220, 255437), (245, 229372), (260, 216139), (286, 196490), (308, 182455), (364, 154385), (385, 145964), (401, 140140), (455, 123508), (490, 114686), (539, 104260), (572, 98245), (637, 88220), (715, 78596), (770, 72982), (802, 70070), (910, 61754), (980, 57343), (1001, 56140), (1078, 52130), (1274, 44110), (1430, 39298), (1540, 36491), (1604, 35035), (1820, 30877), (2002, 28070), (2005, 28028), (2156, 26065), (2548, 22055), (2695, 20852), (2807, 20020), (2860, 19649), (3185, 17644), (4004, 14035), (4010, 14014), (4411, 12740), (5005, 11228), (5213, 10780), (5390, 10426), (5614, 10010), (6370, 8822), (7007, 8020)]