1205996820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{410203}}^1$

素因数の和:410229

約数の個数: 72

約数和(自身を含む): 3928113504

約数和(自身を除く): 2722116684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 410203, 820406, 1230609, 1640812, 2051015, 2461218, 2871421, 4102030, 4922436, 5742842, 6153045, 8204060, 8614263, 11485684, 12306090, 14357105, 17228526, 20099947, 24612180, 28714210, 34457052, 40199894, 43071315, 57428420, 60299841, 80399788, 86142630, 100499735, 120599682, 172285260, 200999470, 241199364, 301499205, 401998940, 602998410, 1205996820]

約数ペア:

[(1, 1205996820), (2, 602998410), (3, 401998940), (4, 301499205), (5, 241199364), (6, 200999470), (7, 172285260), (10, 120599682), (12, 100499735), (14, 86142630), (15, 80399788), (20, 60299841), (21, 57428420), (28, 43071315), (30, 40199894), (35, 34457052), (42, 28714210), (49, 24612180), (60, 20099947), (70, 17228526), (84, 14357105), (98, 12306090), (105, 11485684), (140, 8614263), (147, 8204060), (196, 6153045), (210, 5742842), (245, 4922436), (294, 4102030), (420, 2871421), (490, 2461218), (588, 2051015), (735, 1640812), (980, 1230609), (1470, 820406), (2940, 410203)]