2000955915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 4232307456

約数和(自身を除く): 2231351541

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 73, 93, 105, 147, 155, 217, 219, 245, 279, 315, 365, 401, 441, 465, 511, 651, 657, 735, 1085, 1095, 1203, 1395, 1519, 1533, 1953, 2005, 2205, 2263, 2555, 2807, 3255, 3285, 3577, 3609, 4557, 4599, 6015, 6789, 7595, 7665, 8421, 9765, 10731, 11315, 12431, 13671, 14035, 15841, 17885, 18045, 19649, 20367, 22785, 22995, 25263, 29273, 32193, 33945, 37293, 42105, 47523, 53655, 58947, 62155, 68355, 79205, 87017, 87819, 98245, 101835, 110887, 111879, 126315, 142569, 146365, 160965, 176841, 186465, 204911, 237615, 261051, 263457, 294735, 332661, 435085, 439095, 554435, 559395, 609119, 614733, 712845, 783153, 884205, 907463, 997983, 1024555, 1305255, 1317285, 1434377, 1663305, 1827357, 1844199, 2722389, 3045595, 3073665, 3915765, 4303131, 4537315, 4989915, 5482071, 6352241, 7171885, 8167167, 9136785, 9220995, 12909393, 13611945, 19056723, 21515655, 27410355, 31761205, 40835835, 44465687, 57170169, 64546965, 95283615, 133397061, 222328435, 285850845, 400191183, 666985305, 2000955915]

約数ペア:

[(1, 2000955915), (3, 666985305), (5, 400191183), (7, 285850845), (9, 222328435), (15, 133397061), (21, 95283615), (31, 64546965), (35, 57170169), (45, 44465687), (49, 40835835), (63, 31761205), (73, 27410355), (93, 21515655), (105, 19056723), (147, 13611945), (155, 12909393), (217, 9220995), (219, 9136785), (245, 8167167), (279, 7171885), (315, 6352241), (365, 5482071), (401, 4989915), (441, 4537315), (465, 4303131), (511, 3915765), (651, 3073665), (657, 3045595), (735, 2722389), (1085, 1844199), (1095, 1827357), (1203, 1663305), (1395, 1434377), (1519, 1317285), (1533, 1305255), (1953, 1024555), (2005, 997983), (2205, 907463), (2263, 884205), (2555, 783153), (2807, 712845), (3255, 614733), (3285, 609119), (3577, 559395), (3609, 554435), (4557, 439095), (4599, 435085), (6015, 332661), (6789, 294735), (7595, 263457), (7665, 261051), (8421, 237615), (9765, 204911), (10731, 186465), (11315, 176841), (12431, 160965), (13671, 146365), (14035, 142569), (15841, 126315), (17885, 111879), (18045, 110887), (19649, 101835), (20367, 98245), (22785, 87819), (22995, 87017), (25263, 79205), (29273, 68355), (32193, 62155), (33945, 58947), (37293, 53655), (42105, 47523)]