1990809912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{3221}}^1$

素因数の和:3533

約数の個数: 128

約数和(自身を含む): 6149122560

約数和(自身を除く): 4158312648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 283, 312, 364, 546, 566, 728, 849, 1092, 1132, 1698, 1981, 2184, 2264, 3221, 3396, 3679, 3962, 5943, 6442, 6792, 7358, 7924, 9663, 11037, 11886, 12884, 14716, 15848, 19326, 22074, 22547, 23772, 25753, 25768, 29432, 38652, 41873, 44148, 45094, 47544, 51506, 67641, 77259, 77304, 83746, 88296, 90188, 103012, 125619, 135282, 154518, 167492, 180376, 206024, 251238, 270564, 293111, 309036, 334984, 502476, 541128, 586222, 618072, 879333, 911543, 1004952, 1172444, 1758666, 1823086, 2344888, 2734629, 3517332, 3646172, 5469258, 6380801, 7034664, 7292344, 10938516, 11850059, 12761602, 19142403, 21877032, 23700118, 25523204, 35550177, 38284806, 47400236, 51046408, 71100354, 76569612, 82950413, 94800472, 142200708, 153139224, 165900826, 248851239, 284401416, 331801652, 497702478, 663603304, 995404956, 1990809912]

約数ペア:

[(1, 1990809912), (2, 995404956), (3, 663603304), (4, 497702478), (6, 331801652), (7, 284401416), (8, 248851239), (12, 165900826), (13, 153139224), (14, 142200708), (21, 94800472), (24, 82950413), (26, 76569612), (28, 71100354), (39, 51046408), (42, 47400236), (52, 38284806), (56, 35550177), (78, 25523204), (84, 23700118), (91, 21877032), (104, 19142403), (156, 12761602), (168, 11850059), (182, 10938516), (273, 7292344), (283, 7034664), (312, 6380801), (364, 5469258), (546, 3646172), (566, 3517332), (728, 2734629), (849, 2344888), (1092, 1823086), (1132, 1758666), (1698, 1172444), (1981, 1004952), (2184, 911543), (2264, 879333), (3221, 618072), (3396, 586222), (3679, 541128), (3962, 502476), (5943, 334984), (6442, 309036), (6792, 293111), (7358, 270564), (7924, 251238), (9663, 206024), (11037, 180376), (11886, 167492), (12884, 154518), (14716, 135282), (15848, 125619), (19326, 103012), (22074, 90188), (22547, 88296), (23772, 83746), (25753, 77304), (25768, 77259), (29432, 67641), (38652, 51506), (41873, 47544), (44148, 45094)]