20381278750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1$

素因数の和:984

約数の個数: 160

約数和(自身を含む): 46545250752

約数和(自身を除く): 26163972002

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 181, 238, 250, 350, 362, 425, 595, 625, 757, 850, 875, 905, 1190, 1250, 1267, 1514, 1750, 1810, 2125, 2534, 2975, 3077, 3785, 4250, 4375, 4525, 5299, 5950, 6154, 6335, 7570, 8750, 9050, 10598, 10625, 12670, 12869, 14875, 15385, 18925, 21250, 21539, 22625, 25738, 26495, 29750, 30770, 31675, 37850, 43078, 45250, 52990, 63350, 64345, 74375, 76925, 90083, 94625, 107695, 113125, 128690, 132475, 137017, 148750, 153850, 158375, 180166, 189250, 215390, 226250, 264950, 274034, 316750, 321725, 384625, 450415, 473125, 538475, 643450, 662375, 685085, 769250, 791875, 900830, 946250, 959119, 1076950, 1324750, 1370170, 1583750, 1608625, 1918238, 1923125, 2252075, 2329289, 2692375, 3217250, 3311875, 3425425, 3846250, 4504150, 4658578, 4795595, 5384750, 6623750, 6850850, 8043125, 9591190, 11260375, 11646445, 13461875, 16086250, 16305023, 17127125, 22520750, 23292890, 23977975, 26923750, 32610046, 34254250, 47955950, 56301875, 58232225, 81525115, 85635625, 112603750, 116464450, 119889875, 163050230, 171271250, 239779750, 291161125, 407625575, 582322250, 599449375, 815251150, 1198898750, 1455805625, 2038127875, 2911611250, 4076255750, 10190639375, 20381278750]

約数ペア:

[(1, 20381278750), (2, 10190639375), (5, 4076255750), (7, 2911611250), (10, 2038127875), (14, 1455805625), (17, 1198898750), (25, 815251150), (34, 599449375), (35, 582322250), (50, 407625575), (70, 291161125), (85, 239779750), (119, 171271250), (125, 163050230), (170, 119889875), (175, 116464450), (181, 112603750), (238, 85635625), (250, 81525115), (350, 58232225), (362, 56301875), (425, 47955950), (595, 34254250), (625, 32610046), (757, 26923750), (850, 23977975), (875, 23292890), (905, 22520750), (1190, 17127125), (1250, 16305023), (1267, 16086250), (1514, 13461875), (1750, 11646445), (1810, 11260375), (2125, 9591190), (2534, 8043125), (2975, 6850850), (3077, 6623750), (3785, 5384750), (4250, 4795595), (4375, 4658578), (4525, 4504150), (5299, 3846250), (5950, 3425425), (6154, 3311875), (6335, 3217250), (7570, 2692375), (8750, 2329289), (9050, 2252075), (10598, 1923125), (10625, 1918238), (12670, 1608625), (12869, 1583750), (14875, 1370170), (15385, 1324750), (18925, 1076950), (21250, 959119), (21539, 946250), (22625, 900830), (25738, 791875), (26495, 769250), (29750, 685085), (30770, 662375), (31675, 643450), (37850, 538475), (43078, 473125), (45250, 450415), (52990, 384625), (63350, 321725), (64345, 316750), (74375, 274034), (76925, 264950), (90083, 226250), (94625, 215390), (107695, 189250), (113125, 180166), (128690, 158375), (132475, 153850), (137017, 148750)]