199319900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 511842240

約数和(自身を除く): 312522340

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 29, 34, 50, 52, 58, 65, 68, 85, 100, 116, 130, 145, 170, 221, 260, 290, 311, 325, 340, 377, 425, 442, 493, 580, 622, 650, 725, 754, 850, 884, 986, 1105, 1244, 1300, 1450, 1508, 1555, 1700, 1885, 1972, 2210, 2465, 2900, 3110, 3770, 4043, 4420, 4930, 5287, 5525, 6220, 6409, 7540, 7775, 8086, 9019, 9425, 9860, 10574, 11050, 12325, 12818, 15550, 16172, 18038, 18850, 20215, 21148, 22100, 24650, 25636, 26435, 31100, 32045, 36076, 37700, 40430, 45095, 49300, 52870, 64090, 68731, 80860, 90190, 101075, 105740, 117247, 128180, 132175, 137462, 153323, 160225, 180380, 202150, 225475, 234494, 264350, 274924, 306646, 320450, 343655, 404300, 450950, 468988, 528700, 586235, 613292, 640900, 687310, 766615, 901900, 1172470, 1374620, 1533230, 1718275, 1993199, 2344940, 2931175, 3066460, 3436550, 3833075, 3986398, 5862350, 6873100, 7666150, 7972796, 9965995, 11724700, 15332300, 19931990, 39863980, 49829975, 99659950, 199319900]

約数ペア:

[(1, 199319900), (2, 99659950), (4, 49829975), (5, 39863980), (10, 19931990), (13, 15332300), (17, 11724700), (20, 9965995), (25, 7972796), (26, 7666150), (29, 6873100), (34, 5862350), (50, 3986398), (52, 3833075), (58, 3436550), (65, 3066460), (68, 2931175), (85, 2344940), (100, 1993199), (116, 1718275), (130, 1533230), (145, 1374620), (170, 1172470), (221, 901900), (260, 766615), (290, 687310), (311, 640900), (325, 613292), (340, 586235), (377, 528700), (425, 468988), (442, 450950), (493, 404300), (580, 343655), (622, 320450), (650, 306646), (725, 274924), (754, 264350), (850, 234494), (884, 225475), (986, 202150), (1105, 180380), (1244, 160225), (1300, 153323), (1450, 137462), (1508, 132175), (1555, 128180), (1700, 117247), (1885, 105740), (1972, 101075), (2210, 90190), (2465, 80860), (2900, 68731), (3110, 64090), (3770, 52870), (4043, 49300), (4420, 45095), (4930, 40430), (5287, 37700), (5525, 36076), (6220, 32045), (6409, 31100), (7540, 26435), (7775, 25636), (8086, 24650), (9019, 22100), (9425, 21148), (9860, 20215), (10574, 18850), (11050, 18038), (12325, 16172), (12818, 15550)]