210804804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1987}}^1$

素因数の和:2425

約数の個数: 72

約数和(自身を含む): 610745408

約数和(自身を除く): 399940604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 842, 1263, 1684, 1987, 2526, 2947, 3789, 3974, 5052, 5894, 5961, 7578, 7948, 8841, 11788, 11922, 13909, 15156, 17682, 17883, 23844, 26523, 27818, 35364, 35766, 41727, 53046, 55636, 71532, 83454, 106092, 125181, 166908, 250362, 500724, 836527, 1673054, 2509581, 3346108, 5019162, 5855689, 7528743, 10038324, 11711378, 15057486, 17567067, 23422756, 30114972, 35134134, 52701201, 70268268, 105402402, 210804804]

約数ペア:

[(1, 210804804), (2, 105402402), (3, 70268268), (4, 52701201), (6, 35134134), (7, 30114972), (9, 23422756), (12, 17567067), (14, 15057486), (18, 11711378), (21, 10038324), (28, 7528743), (36, 5855689), (42, 5019162), (63, 3346108), (84, 2509581), (126, 1673054), (252, 836527), (421, 500724), (842, 250362), (1263, 166908), (1684, 125181), (1987, 106092), (2526, 83454), (2947, 71532), (3789, 55636), (3974, 53046), (5052, 41727), (5894, 35766), (5961, 35364), (7578, 27818), (7948, 26523), (8841, 23844), (11788, 17883), (11922, 17682), (13909, 15156)]