31953880

素因数分解:

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

素因数の和:186

約数の個数: 128

約数和(自身を含む): 89424000

約数和(自身を除く): 57470120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 137, 140, 170, 196, 238, 245, 274, 280, 340, 343, 392, 476, 490, 548, 595, 680, 685, 686, 833, 952, 959, 980, 1096, 1190, 1370, 1372, 1666, 1715, 1918, 1960, 2329, 2380, 2740, 2744, 3332, 3430, 3836, 4165, 4658, 4760, 4795, 5480, 5831, 6664, 6713, 6860, 7672, 8330, 9316, 9590, 11645, 11662, 13426, 13720, 16303, 16660, 18632, 19180, 23290, 23324, 26852, 29155, 32606, 33320, 33565, 38360, 46580, 46648, 46991, 53704, 58310, 65212, 67130, 81515, 93160, 93982, 114121, 116620, 130424, 134260, 163030, 187964, 228242, 233240, 234955, 268520, 326060, 375928, 456484, 469910, 570605, 652120, 798847, 912968, 939820, 1141210, 1597694, 1879640, 2282420, 3195388, 3994235, 4564840, 6390776, 7988470, 15976940, 31953880]

約数ペア:

[(1, 31953880), (2, 15976940), (4, 7988470), (5, 6390776), (7, 4564840), (8, 3994235), (10, 3195388), (14, 2282420), (17, 1879640), (20, 1597694), (28, 1141210), (34, 939820), (35, 912968), (40, 798847), (49, 652120), (56, 570605), (68, 469910), (70, 456484), (85, 375928), (98, 326060), (119, 268520), (136, 234955), (137, 233240), (140, 228242), (170, 187964), (196, 163030), (238, 134260), (245, 130424), (274, 116620), (280, 114121), (340, 93982), (343, 93160), (392, 81515), (476, 67130), (490, 65212), (548, 58310), (595, 53704), (680, 46991), (685, 46648), (686, 46580), (833, 38360), (952, 33565), (959, 33320), (980, 32606), (1096, 29155), (1190, 26852), (1370, 23324), (1372, 23290), (1666, 19180), (1715, 18632), (1918, 16660), (1960, 16303), (2329, 13720), (2380, 13426), (2740, 11662), (2744, 11645), (3332, 9590), (3430, 9316), (3836, 8330), (4165, 7672), (4658, 6860), (4760, 6713), (4795, 6664), (5480, 5831)]