39900420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31667}}^1$

素因数の和:31689

約数の個数: 72

約数和(自身を含む): 138325824

約数和(自身を除く): 98425404

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, 31667, 63334, 95001, 126668, 158335, 190002, 221669, 285003, 316670, 380004, 443338, 475005, 570006, 633340, 665007, 886676, 950010, 1108345, 1140012, 1330014, 1425015, 1900020, 1995021, 2216690, 2660028, 2850030, 3325035, 3990042, 4433380, 5700060, 6650070, 7980084, 9975105, 13300140, 19950210, 39900420]

約数ペア:

[(1, 39900420), (2, 19950210), (3, 13300140), (4, 9975105), (5, 7980084), (6, 6650070), (7, 5700060), (9, 4433380), (10, 3990042), (12, 3325035), (14, 2850030), (15, 2660028), (18, 2216690), (20, 1995021), (21, 1900020), (28, 1425015), (30, 1330014), (35, 1140012), (36, 1108345), (42, 950010), (45, 886676), (60, 665007), (63, 633340), (70, 570006), (84, 475005), (90, 443338), (105, 380004), (126, 316670), (140, 285003), (180, 221669), (210, 190002), (252, 158335), (315, 126668), (420, 95001), (630, 63334), (1260, 31667)]