342405420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{815251}}^1$

素因数の和:815270

約数の個数: 48

約数和(自身を含む): 1095698688

約数和(自身を除く): 753293268

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, 420, 815251, 1630502, 2445753, 3261004, 4076255, 4891506, 5706757, 8152510, 9783012, 11413514, 12228765, 16305020, 17120271, 22827028, 24457530, 28533785, 34240542, 48915060, 57067570, 68481084, 85601355, 114135140, 171202710, 342405420]

約数ペア:

[(1, 342405420), (2, 171202710), (3, 114135140), (4, 85601355), (5, 68481084), (6, 57067570), (7, 48915060), (10, 34240542), (12, 28533785), (14, 24457530), (15, 22827028), (20, 17120271), (21, 16305020), (28, 12228765), (30, 11413514), (35, 9783012), (42, 8152510), (60, 5706757), (70, 4891506), (84, 4076255), (105, 3261004), (140, 2445753), (210, 1630502), (420, 815251)]