211380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 639744

約数和(自身を除く): 428364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 271, 390, 542, 780, 813, 1084, 1355, 1626, 2710, 3252, 3523, 4065, 5420, 7046, 8130, 10569, 14092, 16260, 17615, 21138, 35230, 42276, 52845, 70460, 105690, 211380]

約数ペア:

[(1, 211380), (2, 105690), (3, 70460), (4, 52845), (5, 42276), (6, 35230), (10, 21138), (12, 17615), (13, 16260), (15, 14092), (20, 10569), (26, 8130), (30, 7046), (39, 5420), (52, 4065), (60, 3523), (65, 3252), (78, 2710), (130, 1626), (156, 1355), (195, 1084), (260, 813), (271, 780), (390, 542)]