340784990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2069}}^1$

素因数の和:2277

約数の個数: 64

約数和(自身を含む): 759507840

約数和(自身を除く): 418722850

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 181, 182, 362, 455, 905, 910, 1267, 1810, 2069, 2353, 2534, 4138, 4706, 6335, 10345, 11765, 12670, 14483, 16471, 20690, 23530, 26897, 28966, 32942, 53794, 72415, 82355, 134485, 144830, 164710, 188279, 268970, 374489, 376558, 748978, 941395, 1872445, 1882790, 2621423, 3744890, 4868357, 5242846, 9736714, 13107115, 24341785, 26214230, 34078499, 48683570, 68156998, 170392495, 340784990]

約数ペア:

[(1, 340784990), (2, 170392495), (5, 68156998), (7, 48683570), (10, 34078499), (13, 26214230), (14, 24341785), (26, 13107115), (35, 9736714), (65, 5242846), (70, 4868357), (91, 3744890), (130, 2621423), (181, 1882790), (182, 1872445), (362, 941395), (455, 748978), (905, 376558), (910, 374489), (1267, 268970), (1810, 188279), (2069, 164710), (2353, 144830), (2534, 134485), (4138, 82355), (4706, 72415), (6335, 53794), (10345, 32942), (11765, 28966), (12670, 26897), (14483, 23530), (16471, 20690)]