211674980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3803}}^1$

素因数の和:3857

約数の個数: 72

約数和(自身を含む): 509979456

約数和(自身を除く): 298304476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 3803, 5060, 5566, 7606, 11132, 13915, 15212, 19015, 27830, 38030, 41833, 55660, 76060, 83666, 87469, 167332, 174938, 209165, 349876, 418330, 437345, 460163, 836660, 874690, 920326, 962159, 1749380, 1840652, 1924318, 2300815, 3848636, 4601630, 4810795, 9203260, 9621590, 10583749, 19243180, 21167498, 42334996, 52918745, 105837490, 211674980]

約数ペア:

[(1, 211674980), (2, 105837490), (4, 52918745), (5, 42334996), (10, 21167498), (11, 19243180), (20, 10583749), (22, 9621590), (23, 9203260), (44, 4810795), (46, 4601630), (55, 3848636), (92, 2300815), (110, 1924318), (115, 1840652), (121, 1749380), (220, 962159), (230, 920326), (242, 874690), (253, 836660), (460, 460163), (484, 437345), (506, 418330), (605, 349876), (1012, 209165), (1210, 174938), (1265, 167332), (2420, 87469), (2530, 83666), (2783, 76060), (3803, 55660), (5060, 41833), (5566, 38030), (7606, 27830), (11132, 19015), (13915, 15212)]