393484140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{312289}}^1$

素因数の和:312311

約数の個数: 72

約数和(自身を含む): 1364082720

約数和(自身を除く): 970598580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 312289, 624578, 936867, 1249156, 1561445, 1873734, 2186023, 2810601, 3122890, 3747468, 4372046, 4684335, 5621202, 6245780, 6558069, 8744092, 9368670, 10930115, 11242404, 13116138, 14053005, 18737340, 19674207, 21860230, 26232276, 28106010, 32790345, 39348414, 43720460, 56212020, 65580690, 78696828, 98371035, 131161380, 196742070, 393484140]

約数ペア:

[(1, 393484140), (2, 196742070), (3, 131161380), (4, 98371035), (5, 78696828), (6, 65580690), (7, 56212020), (9, 43720460), (10, 39348414), (12, 32790345), (14, 28106010), (15, 26232276), (18, 21860230), (20, 19674207), (21, 18737340), (28, 14053005), (30, 13116138), (35, 11242404), (36, 10930115), (42, 9368670), (45, 8744092), (60, 6558069), (63, 6245780), (70, 5621202), (84, 4684335), (90, 4372046), (105, 3747468), (126, 3122890), (140, 2810601), (180, 2186023), (210, 1873734), (252, 1561445), (315, 1249156), (420, 936867), (630, 624578), (1260, 312289)]