31010900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 71453760

約数和(自身を除く): 40442860

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 97, 100, 115, 139, 194, 230, 278, 388, 460, 485, 556, 575, 695, 970, 1150, 1390, 1940, 2231, 2300, 2425, 2780, 3197, 3475, 4462, 4850, 6394, 6950, 8924, 9700, 11155, 12788, 13483, 13900, 15985, 22310, 26966, 31970, 44620, 53932, 55775, 63940, 67415, 79925, 111550, 134830, 159850, 223100, 269660, 310109, 319700, 337075, 620218, 674150, 1240436, 1348300, 1550545, 3101090, 6202180, 7752725, 15505450, 31010900]

約数ペア:

[(1, 31010900), (2, 15505450), (4, 7752725), (5, 6202180), (10, 3101090), (20, 1550545), (23, 1348300), (25, 1240436), (46, 674150), (50, 620218), (92, 337075), (97, 319700), (100, 310109), (115, 269660), (139, 223100), (194, 159850), (230, 134830), (278, 111550), (388, 79925), (460, 67415), (485, 63940), (556, 55775), (575, 53932), (695, 44620), (970, 31970), (1150, 26966), (1390, 22310), (1940, 15985), (2231, 13900), (2300, 13483), (2425, 12788), (2780, 11155), (3197, 9700), (3475, 8924), (4462, 6950), (4850, 6394)]