2197371680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{280277}}^1$

素因数の和:280306

約数の個数: 72

約数和(自身を含む): 6038869788

約数和(自身を除く): 3841498108

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 280277, 560554, 1121108, 1401385, 1961939, 2242216, 2802770, 3923878, 4484432, 5605540, 7847756, 8968864, 9809695, 11211080, 13733573, 15695512, 19619390, 22422160, 27467146, 31391024, 39238780, 44844320, 54934292, 62782048, 68667865, 78477560, 109868584, 137335730, 156955120, 219737168, 274671460, 313910240, 439474336, 549342920, 1098685840, 2197371680]

約数ペア:

[(1, 2197371680), (2, 1098685840), (4, 549342920), (5, 439474336), (7, 313910240), (8, 274671460), (10, 219737168), (14, 156955120), (16, 137335730), (20, 109868584), (28, 78477560), (32, 68667865), (35, 62782048), (40, 54934292), (49, 44844320), (56, 39238780), (70, 31391024), (80, 27467146), (98, 22422160), (112, 19619390), (140, 15695512), (160, 13733573), (196, 11211080), (224, 9809695), (245, 8968864), (280, 7847756), (392, 5605540), (490, 4484432), (560, 3923878), (784, 2802770), (980, 2242216), (1120, 1961939), (1568, 1401385), (1960, 1121108), (3920, 560554), (7840, 280277)]