340137028

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2105

約数の個数: 72

約数和(自身を含む): 765313920

約数和(自身を除く): 425176892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 79, 98, 154, 158, 196, 308, 316, 539, 553, 869, 1078, 1106, 1738, 1997, 2156, 2212, 3476, 3871, 3994, 6083, 7742, 7988, 12166, 13979, 15484, 21967, 24332, 27958, 42581, 43934, 55916, 85162, 87868, 97853, 153769, 157763, 170324, 195706, 307538, 315526, 391412, 615076, 631052, 1076383, 1104341, 1735393, 2152766, 2208682, 3470786, 4305532, 4417364, 6941572, 7730387, 12147751, 15460774, 24295502, 30921548, 48591004, 85034257, 170068514, 340137028]

約数ペア:

[(1, 340137028), (2, 170068514), (4, 85034257), (7, 48591004), (11, 30921548), (14, 24295502), (22, 15460774), (28, 12147751), (44, 7730387), (49, 6941572), (77, 4417364), (79, 4305532), (98, 3470786), (154, 2208682), (158, 2152766), (196, 1735393), (308, 1104341), (316, 1076383), (539, 631052), (553, 615076), (869, 391412), (1078, 315526), (1106, 307538), (1738, 195706), (1997, 170324), (2156, 157763), (2212, 153769), (3476, 97853), (3871, 87868), (3994, 85162), (6083, 55916), (7742, 43934), (7988, 42581), (12166, 27958), (13979, 24332), (15484, 21967)]