20249375440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{5309}}^1$

素因数の和:5482

約数の個数: 160

約数和(自身を含む): 55308960000

約数和(自身を除く): 35059584560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 139, 140, 196, 245, 278, 280, 343, 392, 490, 556, 560, 686, 695, 784, 973, 980, 1112, 1372, 1390, 1715, 1946, 1960, 2224, 2744, 2780, 3430, 3892, 3920, 4865, 5309, 5488, 5560, 6811, 6860, 7784, 9730, 10618, 11120, 13622, 13720, 15568, 19460, 21236, 26545, 27244, 27440, 34055, 37163, 38920, 42472, 47677, 53090, 54488, 68110, 74326, 77840, 84944, 95354, 106180, 108976, 136220, 148652, 185815, 190708, 212360, 238385, 260141, 272440, 297304, 371630, 381416, 424720, 476770, 520282, 544880, 594608, 737951, 743260, 762832, 953540, 1040564, 1300705, 1475902, 1486520, 1820987, 1907080, 2081128, 2601410, 2951804, 2973040, 3641974, 3689755, 3814160, 4162256, 5165657, 5202820, 5903608, 7283948, 7379510, 9104935, 10331314, 10405640, 11807216, 14567896, 14759020, 18209870, 20662628, 20811280, 25828285, 29135792, 29518040, 36159599, 36419740, 41325256, 51656570, 59036080, 72319198, 72839480, 82650512, 103313140, 144638396, 145678960, 180797995, 206626280, 253117193, 289276792, 361595990, 413252560, 506234386, 578553584, 723191980, 1012468772, 1265585965, 1446383960, 2024937544, 2531171930, 2892767920, 4049875088, 5062343860, 10124687720, 20249375440]

約数ペア:

[(1, 20249375440), (2, 10124687720), (4, 5062343860), (5, 4049875088), (7, 2892767920), (8, 2531171930), (10, 2024937544), (14, 1446383960), (16, 1265585965), (20, 1012468772), (28, 723191980), (35, 578553584), (40, 506234386), (49, 413252560), (56, 361595990), (70, 289276792), (80, 253117193), (98, 206626280), (112, 180797995), (139, 145678960), (140, 144638396), (196, 103313140), (245, 82650512), (278, 72839480), (280, 72319198), (343, 59036080), (392, 51656570), (490, 41325256), (556, 36419740), (560, 36159599), (686, 29518040), (695, 29135792), (784, 25828285), (973, 20811280), (980, 20662628), (1112, 18209870), (1372, 14759020), (1390, 14567896), (1715, 11807216), (1946, 10405640), (1960, 10331314), (2224, 9104935), (2744, 7379510), (2780, 7283948), (3430, 5903608), (3892, 5202820), (3920, 5165657), (4865, 4162256), (5309, 3814160), (5488, 3689755), (5560, 3641974), (6811, 2973040), (6860, 2951804), (7784, 2601410), (9730, 2081128), (10618, 1907080), (11120, 1820987), (13622, 1486520), (13720, 1475902), (15568, 1300705), (19460, 1040564), (21236, 953540), (26545, 762832), (27244, 743260), (27440, 737951), (34055, 594608), (37163, 544880), (38920, 520282), (42472, 476770), (47677, 424720), (53090, 381416), (54488, 371630), (68110, 297304), (74326, 272440), (77840, 260141), (84944, 238385), (95354, 212360), (106180, 190708), (108976, 185815), (136220, 148652)]