438746580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12373}}^1$

素因数の和:12585

約数の個数: 72

約数和(自身を含む): 1337728392

約数和(自身を除く): 898981812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8865, 11820, 12373, 17730, 24746, 35460, 37119, 49492, 61865, 74238, 111357, 123730, 148476, 185595, 222714, 247460, 371190, 445428, 556785, 742380, 1113570, 2227140, 2437481, 4874962, 7312443, 9749924, 12187405, 14624886, 21937329, 24374810, 29249772, 36562215, 43874658, 48749620, 73124430, 87749316, 109686645, 146248860, 219373290, 438746580]

約数ペア:

[(1, 438746580), (2, 219373290), (3, 146248860), (4, 109686645), (5, 87749316), (6, 73124430), (9, 48749620), (10, 43874658), (12, 36562215), (15, 29249772), (18, 24374810), (20, 21937329), (30, 14624886), (36, 12187405), (45, 9749924), (60, 7312443), (90, 4874962), (180, 2437481), (197, 2227140), (394, 1113570), (591, 742380), (788, 556785), (985, 445428), (1182, 371190), (1773, 247460), (1970, 222714), (2364, 185595), (2955, 148476), (3546, 123730), (3940, 111357), (5910, 74238), (7092, 61865), (8865, 49492), (11820, 37119), (12373, 35460), (17730, 24746)]