838380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 2388960

約数和(自身を除く): 1550580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 157, 178, 267, 314, 356, 445, 471, 534, 628, 785, 890, 942, 1068, 1335, 1570, 1780, 1884, 2355, 2670, 3140, 4710, 5340, 9420, 13973, 27946, 41919, 55892, 69865, 83838, 139730, 167676, 209595, 279460, 419190, 838380]

約数ペア:

[(1, 838380), (2, 419190), (3, 279460), (4, 209595), (5, 167676), (6, 139730), (10, 83838), (12, 69865), (15, 55892), (20, 41919), (30, 27946), (60, 13973), (89, 9420), (157, 5340), (178, 4710), (267, 3140), (314, 2670), (356, 2355), (445, 1884), (471, 1780), (534, 1570), (628, 1335), (785, 1068), (890, 942)]