70904820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:841

約数の個数: 96

約数和(自身を含む): 228001536

約数和(自身を除く): 157096716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 401, 420, 421, 802, 842, 1203, 1263, 1604, 1684, 2005, 2105, 2406, 2526, 2807, 2947, 4010, 4210, 4812, 5052, 5614, 5894, 6015, 6315, 8020, 8420, 8421, 8841, 11228, 11788, 12030, 12630, 14035, 14735, 16842, 17682, 24060, 25260, 28070, 29470, 33684, 35364, 42105, 44205, 56140, 58940, 84210, 88410, 168420, 168821, 176820, 337642, 506463, 675284, 844105, 1012926, 1181747, 1688210, 2025852, 2363494, 2532315, 3376420, 3545241, 4726988, 5064630, 5908735, 7090482, 10129260, 11817470, 14180964, 17726205, 23634940, 35452410, 70904820]

約数ペア:

[(1, 70904820), (2, 35452410), (3, 23634940), (4, 17726205), (5, 14180964), (6, 11817470), (7, 10129260), (10, 7090482), (12, 5908735), (14, 5064630), (15, 4726988), (20, 3545241), (21, 3376420), (28, 2532315), (30, 2363494), (35, 2025852), (42, 1688210), (60, 1181747), (70, 1012926), (84, 844105), (105, 675284), (140, 506463), (210, 337642), (401, 176820), (420, 168821), (421, 168420), (802, 88410), (842, 84210), (1203, 58940), (1263, 56140), (1604, 44205), (1684, 42105), (2005, 35364), (2105, 33684), (2406, 29470), (2526, 28070), (2807, 25260), (2947, 24060), (4010, 17682), (4210, 16842), (4812, 14735), (5052, 14035), (5614, 12630), (5894, 12030), (6015, 11788), (6315, 11228), (8020, 8841), (8420, 8421)]