127327850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 269982720

約数和(自身を除く): 142654870

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 71, 89, 130, 142, 155, 178, 310, 325, 355, 403, 445, 650, 710, 775, 806, 890, 923, 1157, 1550, 1775, 1846, 2015, 2201, 2225, 2314, 2759, 3550, 4030, 4402, 4450, 4615, 5518, 5785, 6319, 9230, 10075, 11005, 11570, 12638, 13795, 20150, 22010, 23075, 27590, 28613, 28925, 31595, 35867, 46150, 55025, 57226, 57850, 63190, 68975, 71734, 82147, 110050, 137950, 143065, 157975, 164294, 179335, 195889, 286130, 315950, 358670, 391778, 410735, 715325, 821470, 896675, 979445, 1430650, 1793350, 1958890, 2053675, 2546557, 4107350, 4897225, 5093114, 9794450, 12732785, 25465570, 63663925, 127327850]

約数ペア:

[(1, 127327850), (2, 63663925), (5, 25465570), (10, 12732785), (13, 9794450), (25, 5093114), (26, 4897225), (31, 4107350), (50, 2546557), (62, 2053675), (65, 1958890), (71, 1793350), (89, 1430650), (130, 979445), (142, 896675), (155, 821470), (178, 715325), (310, 410735), (325, 391778), (355, 358670), (403, 315950), (445, 286130), (650, 195889), (710, 179335), (775, 164294), (806, 157975), (890, 143065), (923, 137950), (1157, 110050), (1550, 82147), (1775, 71734), (1846, 68975), (2015, 63190), (2201, 57850), (2225, 57226), (2314, 55025), (2759, 46150), (3550, 35867), (4030, 31595), (4402, 28925), (4450, 28613), (4615, 27590), (5518, 23075), (5785, 22010), (6319, 20150), (9230, 13795), (10075, 12638), (11005, 11570)]