681139250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 1479928320

約数和(自身を除く): 798789070

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 89, 110, 115, 121, 125, 178, 230, 242, 250, 253, 275, 445, 506, 550, 575, 605, 890, 979, 1150, 1210, 1265, 1331, 1375, 1958, 2047, 2225, 2530, 2662, 2750, 2783, 2875, 3025, 4094, 4450, 4895, 5566, 5750, 6050, 6325, 6655, 9790, 10235, 10769, 11125, 12650, 13310, 13915, 15125, 20470, 21538, 22250, 22517, 24475, 27830, 30250, 30613, 31625, 33275, 45034, 48950, 51175, 53845, 61226, 63250, 66550, 69575, 102350, 107690, 112585, 118459, 122375, 139150, 153065, 166375, 225170, 236918, 244750, 247687, 255875, 269225, 306130, 332750, 347875, 495374, 511750, 538450, 562925, 592295, 695750, 765325, 1125850, 1184590, 1238435, 1346125, 1530650, 2476870, 2692250, 2724557, 2814625, 2961475, 3826625, 5449114, 5629250, 5922950, 6192175, 7653250, 12384350, 13622785, 14807375, 27245570, 29614750, 30960875, 61921750, 68113925, 136227850, 340569625, 681139250]

約数ペア:

[(1, 681139250), (2, 340569625), (5, 136227850), (10, 68113925), (11, 61921750), (22, 30960875), (23, 29614750), (25, 27245570), (46, 14807375), (50, 13622785), (55, 12384350), (89, 7653250), (110, 6192175), (115, 5922950), (121, 5629250), (125, 5449114), (178, 3826625), (230, 2961475), (242, 2814625), (250, 2724557), (253, 2692250), (275, 2476870), (445, 1530650), (506, 1346125), (550, 1238435), (575, 1184590), (605, 1125850), (890, 765325), (979, 695750), (1150, 592295), (1210, 562925), (1265, 538450), (1331, 511750), (1375, 495374), (1958, 347875), (2047, 332750), (2225, 306130), (2530, 269225), (2662, 255875), (2750, 247687), (2783, 244750), (2875, 236918), (3025, 225170), (4094, 166375), (4450, 153065), (4895, 139150), (5566, 122375), (5750, 118459), (6050, 112585), (6325, 107690), (6655, 102350), (9790, 69575), (10235, 66550), (10769, 63250), (11125, 61226), (12650, 53845), (13310, 51175), (13915, 48950), (15125, 45034), (20470, 33275), (21538, 31625), (22250, 30613), (22517, 30250), (24475, 27830)]