57138890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 114048000

約数和(自身を除く): 56909110

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 89, 95, 109, 155, 178, 190, 218, 310, 445, 545, 589, 890, 1090, 1178, 1691, 2071, 2759, 2945, 3379, 3382, 4142, 5518, 5890, 6758, 8455, 9701, 10355, 13795, 16895, 16910, 19402, 20710, 27590, 33790, 48505, 52421, 64201, 97010, 104842, 128402, 184319, 262105, 300731, 321005, 368638, 524210, 601462, 642010, 921595, 1503655, 1843190, 3007310, 5713889, 11427778, 28569445, 57138890]

約数ペア:

[(1, 57138890), (2, 28569445), (5, 11427778), (10, 5713889), (19, 3007310), (31, 1843190), (38, 1503655), (62, 921595), (89, 642010), (95, 601462), (109, 524210), (155, 368638), (178, 321005), (190, 300731), (218, 262105), (310, 184319), (445, 128402), (545, 104842), (589, 97010), (890, 64201), (1090, 52421), (1178, 48505), (1691, 33790), (2071, 27590), (2759, 20710), (2945, 19402), (3379, 16910), (3382, 16895), (4142, 13795), (5518, 10355), (5890, 9701), (6758, 8455)]