31622140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 74405520

約数和(自身を除く): 42783380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 179, 220, 242, 292, 358, 365, 484, 605, 716, 730, 803, 895, 1210, 1460, 1606, 1790, 1969, 2420, 3212, 3580, 3938, 4015, 7876, 8030, 8833, 9845, 13067, 16060, 17666, 19690, 21659, 26134, 35332, 39380, 43318, 44165, 52268, 65335, 86636, 88330, 108295, 130670, 143737, 176660, 216590, 261340, 287474, 433180, 574948, 718685, 1437370, 1581107, 2874740, 3162214, 6324428, 7905535, 15811070, 31622140]

約数ペア:

[(1, 31622140), (2, 15811070), (4, 7905535), (5, 6324428), (10, 3162214), (11, 2874740), (20, 1581107), (22, 1437370), (44, 718685), (55, 574948), (73, 433180), (110, 287474), (121, 261340), (146, 216590), (179, 176660), (220, 143737), (242, 130670), (292, 108295), (358, 88330), (365, 86636), (484, 65335), (605, 52268), (716, 44165), (730, 43318), (803, 39380), (895, 35332), (1210, 26134), (1460, 21659), (1606, 19690), (1790, 17666), (1969, 16060), (2420, 13067), (3212, 9845), (3580, 8833), (3938, 8030), (4015, 7876)]