210751940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2591}}^1$

素因数の和:2697

約数の個数: 72

約数和(自身を含む): 521240832

約数和(自身を除く): 310488892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2591, 2905, 4067, 5182, 5810, 8134, 10364, 11620, 12955, 16268, 18137, 20335, 25910, 36274, 40670, 51820, 72548, 81340, 90685, 126959, 181370, 215053, 253918, 362740, 430106, 507836, 634795, 860212, 1075265, 1269590, 1505371, 2150530, 2539180, 3010742, 4301060, 6021484, 7526855, 10537597, 15053710, 21075194, 30107420, 42150388, 52687985, 105375970, 210751940]

約数ペア:

[(1, 210751940), (2, 105375970), (4, 52687985), (5, 42150388), (7, 30107420), (10, 21075194), (14, 15053710), (20, 10537597), (28, 7526855), (35, 6021484), (49, 4301060), (70, 3010742), (83, 2539180), (98, 2150530), (140, 1505371), (166, 1269590), (196, 1075265), (245, 860212), (332, 634795), (415, 507836), (490, 430106), (581, 362740), (830, 253918), (980, 215053), (1162, 181370), (1660, 126959), (2324, 90685), (2591, 81340), (2905, 72548), (4067, 51820), (5182, 40670), (5810, 36274), (8134, 25910), (10364, 20335), (11620, 18137), (12955, 16268)]