19706836400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{42953}}^1$

素因数の和:43039

約数の個数: 120

約数和(自身を含む): 50195013504

約数和(自身を除く): 30488177104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 37, 40, 50, 62, 74, 80, 100, 124, 148, 155, 185, 200, 248, 296, 310, 370, 400, 496, 592, 620, 740, 775, 925, 1147, 1240, 1480, 1550, 1850, 2294, 2480, 2960, 3100, 3700, 4588, 5735, 6200, 7400, 9176, 11470, 12400, 14800, 18352, 22940, 28675, 42953, 45880, 57350, 85906, 91760, 114700, 171812, 214765, 229400, 343624, 429530, 458800, 687248, 859060, 1073825, 1331543, 1589261, 1718120, 2147650, 2663086, 3178522, 3436240, 4295300, 5326172, 6357044, 6657715, 7946305, 8590600, 10652344, 12714088, 13315430, 15892610, 17181200, 21304688, 25428176, 26630860, 31785220, 33288575, 39731525, 49267091, 53261720, 63570440, 66577150, 79463050, 98534182, 106523440, 127140880, 133154300, 158926100, 197068364, 246335455, 266308600, 317852200, 394136728, 492670910, 532617200, 635704400, 788273456, 985341820, 1231677275, 1970683640, 2463354550, 3941367280, 4926709100, 9853418200, 19706836400]

約数ペア:

[(1, 19706836400), (2, 9853418200), (4, 4926709100), (5, 3941367280), (8, 2463354550), (10, 1970683640), (16, 1231677275), (20, 985341820), (25, 788273456), (31, 635704400), (37, 532617200), (40, 492670910), (50, 394136728), (62, 317852200), (74, 266308600), (80, 246335455), (100, 197068364), (124, 158926100), (148, 133154300), (155, 127140880), (185, 106523440), (200, 98534182), (248, 79463050), (296, 66577150), (310, 63570440), (370, 53261720), (400, 49267091), (496, 39731525), (592, 33288575), (620, 31785220), (740, 26630860), (775, 25428176), (925, 21304688), (1147, 17181200), (1240, 15892610), (1480, 13315430), (1550, 12714088), (1850, 10652344), (2294, 8590600), (2480, 7946305), (2960, 6657715), (3100, 6357044), (3700, 5326172), (4588, 4295300), (5735, 3436240), (6200, 3178522), (7400, 2663086), (9176, 2147650), (11470, 1718120), (12400, 1589261), (14800, 1331543), (18352, 1073825), (22940, 859060), (28675, 687248), (42953, 458800), (45880, 429530), (57350, 343624), (85906, 229400), (91760, 214765), (114700, 171812)]