201253990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1453

約数の個数: 64

約数和(自身を含む): 442050048

約数和(自身を除く): 240796058

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 131, 170, 238, 262, 595, 655, 917, 1190, 1291, 1310, 1834, 2227, 2582, 4454, 4585, 6455, 9037, 9170, 11135, 12910, 15589, 18074, 21947, 22270, 31178, 43894, 45185, 77945, 90370, 109735, 153629, 155890, 169121, 219470, 307258, 338242, 768145, 845605, 1183847, 1536290, 1691210, 2367694, 2875057, 5750114, 5919235, 11838470, 14375285, 20125399, 28750570, 40250798, 100626995, 201253990]

約数ペア:

[(1, 201253990), (2, 100626995), (5, 40250798), (7, 28750570), (10, 20125399), (14, 14375285), (17, 11838470), (34, 5919235), (35, 5750114), (70, 2875057), (85, 2367694), (119, 1691210), (131, 1536290), (170, 1183847), (238, 845605), (262, 768145), (595, 338242), (655, 307258), (917, 219470), (1190, 169121), (1291, 155890), (1310, 153629), (1834, 109735), (2227, 90370), (2582, 77945), (4454, 45185), (4585, 43894), (6455, 31178), (9037, 22270), (9170, 21947), (11135, 18074), (12910, 15589)]