208889625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 437059584

約数和(自身を除く): 228169959

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 31, 35, 51, 75, 85, 93, 105, 119, 125, 151, 155, 175, 217, 255, 357, 375, 425, 453, 465, 525, 527, 595, 651, 755, 775, 875, 1057, 1085, 1275, 1581, 1785, 2125, 2265, 2325, 2567, 2625, 2635, 2975, 3171, 3255, 3689, 3775, 3875, 4681, 5285, 5425, 6375, 7701, 7905, 8925, 11067, 11325, 11625, 12835, 13175, 14043, 14875, 15855, 16275, 17969, 18445, 18875, 23405, 26425, 27125, 32767, 38505, 39525, 44625, 53907, 55335, 56625, 64175, 65875, 70215, 79275, 79577, 81375, 89845, 92225, 98301, 117025, 132125, 163835, 192525, 197625, 238731, 269535, 276675, 320875, 351075, 396375, 397885, 449225, 461125, 491505, 557039, 585125, 819175, 962625, 1193655, 1347675, 1383375, 1671117, 1755375, 1989425, 2246125, 2457525, 2785195, 4095875, 5968275, 6738375, 8355585, 9947125, 12287625, 13925975, 29841375, 41777925, 69629875, 208889625]

約数ペア:

[(1, 208889625), (3, 69629875), (5, 41777925), (7, 29841375), (15, 13925975), (17, 12287625), (21, 9947125), (25, 8355585), (31, 6738375), (35, 5968275), (51, 4095875), (75, 2785195), (85, 2457525), (93, 2246125), (105, 1989425), (119, 1755375), (125, 1671117), (151, 1383375), (155, 1347675), (175, 1193655), (217, 962625), (255, 819175), (357, 585125), (375, 557039), (425, 491505), (453, 461125), (465, 449225), (525, 397885), (527, 396375), (595, 351075), (651, 320875), (755, 276675), (775, 269535), (875, 238731), (1057, 197625), (1085, 192525), (1275, 163835), (1581, 132125), (1785, 117025), (2125, 98301), (2265, 92225), (2325, 89845), (2567, 81375), (2625, 79577), (2635, 79275), (2975, 70215), (3171, 65875), (3255, 64175), (3689, 56625), (3775, 55335), (3875, 53907), (4681, 44625), (5285, 39525), (5425, 38505), (6375, 32767), (7701, 27125), (7905, 26425), (8925, 23405), (11067, 18875), (11325, 18445), (11625, 17969), (12835, 16275), (13175, 15855), (14043, 14875)]