271607980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 711748800

約数和(自身を除く): 440140820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 137, 140, 170, 196, 238, 245, 274, 289, 340, 343, 476, 490, 548, 578, 595, 685, 686, 833, 959, 980, 1156, 1190, 1370, 1372, 1445, 1666, 1715, 1918, 2023, 2329, 2380, 2740, 2890, 3332, 3430, 3836, 4046, 4165, 4658, 4795, 5780, 5831, 6713, 6860, 8092, 8330, 9316, 9590, 10115, 11645, 11662, 13426, 14161, 16303, 16660, 19180, 20230, 23290, 23324, 26852, 28322, 29155, 32606, 33565, 39593, 40460, 46580, 46991, 56644, 58310, 65212, 67130, 70805, 79186, 81515, 93982, 99127, 114121, 116620, 134260, 141610, 158372, 163030, 187964, 197965, 198254, 228242, 234955, 277151, 283220, 326060, 395930, 396508, 456484, 469910, 495635, 554302, 570605, 791860, 798847, 939820, 991270, 1108604, 1141210, 1385755, 1597694, 1940057, 1982540, 2282420, 2771510, 3195388, 3880114, 3994235, 5543020, 7760228, 7988470, 9700285, 13580399, 15976940, 19400570, 27160798, 38801140, 54321596, 67901995, 135803990, 271607980]

約数ペア:

[(1, 271607980), (2, 135803990), (4, 67901995), (5, 54321596), (7, 38801140), (10, 27160798), (14, 19400570), (17, 15976940), (20, 13580399), (28, 9700285), (34, 7988470), (35, 7760228), (49, 5543020), (68, 3994235), (70, 3880114), (85, 3195388), (98, 2771510), (119, 2282420), (137, 1982540), (140, 1940057), (170, 1597694), (196, 1385755), (238, 1141210), (245, 1108604), (274, 991270), (289, 939820), (340, 798847), (343, 791860), (476, 570605), (490, 554302), (548, 495635), (578, 469910), (595, 456484), (685, 396508), (686, 395930), (833, 326060), (959, 283220), (980, 277151), (1156, 234955), (1190, 228242), (1370, 198254), (1372, 197965), (1445, 187964), (1666, 163030), (1715, 158372), (1918, 141610), (2023, 134260), (2329, 116620), (2380, 114121), (2740, 99127), (2890, 93982), (3332, 81515), (3430, 79186), (3836, 70805), (4046, 67130), (4165, 65212), (4658, 58310), (4795, 56644), (5780, 46991), (5831, 46580), (6713, 40460), (6860, 39593), (8092, 33565), (8330, 32606), (9316, 29155), (9590, 28322), (10115, 26852), (11645, 23324), (11662, 23290), (13426, 20230), (14161, 19180), (16303, 16660)]