202329040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 481375440

約数和(自身を除く): 279046400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 157, 178, 181, 314, 356, 362, 445, 628, 712, 724, 785, 890, 905, 1256, 1424, 1448, 1570, 1780, 1810, 2512, 2896, 3140, 3560, 3620, 6280, 7120, 7240, 12560, 13973, 14480, 16109, 27946, 28417, 32218, 55892, 56834, 64436, 69865, 80545, 111784, 113668, 128872, 139730, 142085, 161090, 223568, 227336, 257744, 279460, 284170, 322180, 454672, 558920, 568340, 644360, 1117840, 1136680, 1288720, 2273360, 2529113, 5058226, 10116452, 12645565, 20232904, 25291130, 40465808, 50582260, 101164520, 202329040]

約数ペア:

[(1, 202329040), (2, 101164520), (4, 50582260), (5, 40465808), (8, 25291130), (10, 20232904), (16, 12645565), (20, 10116452), (40, 5058226), (80, 2529113), (89, 2273360), (157, 1288720), (178, 1136680), (181, 1117840), (314, 644360), (356, 568340), (362, 558920), (445, 454672), (628, 322180), (712, 284170), (724, 279460), (785, 257744), (890, 227336), (905, 223568), (1256, 161090), (1424, 142085), (1448, 139730), (1570, 128872), (1780, 113668), (1810, 111784), (2512, 80545), (2896, 69865), (3140, 64436), (3560, 56834), (3620, 55892), (6280, 32218), (7120, 28417), (7240, 27946), (12560, 16109), (13973, 14480)]