28773580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4219}}^1$

素因数の和:4270

約数の個数: 48

約数和(自身を含む): 68060160

約数和(自身を除く): 39286580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4219, 6820, 8438, 16876, 21095, 42190, 46409, 84380, 92818, 130789, 185636, 232045, 261578, 464090, 523156, 653945, 928180, 1307890, 1438679, 2615780, 2877358, 5754716, 7193395, 14386790, 28773580]

約数ペア:

[(1, 28773580), (2, 14386790), (4, 7193395), (5, 5754716), (10, 2877358), (11, 2615780), (20, 1438679), (22, 1307890), (31, 928180), (44, 653945), (55, 523156), (62, 464090), (110, 261578), (124, 232045), (155, 185636), (220, 130789), (310, 92818), (341, 84380), (620, 46409), (682, 42190), (1364, 21095), (1705, 16876), (3410, 8438), (4219, 6820)]