29890980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3389}}^1$

素因数の和:3418

約数の個数: 108

約数和(自身を含む): 105503580

約数和(自身を除く): 75612600

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3389, 4410, 6778, 8820, 10167, 13556, 16945, 20334, 23723, 30501, 33890, 40668, 47446, 50835, 61002, 67780, 71169, 94892, 101670, 118615, 122004, 142338, 152505, 166061, 203340, 213507, 237230, 284676, 305010, 332122, 355845, 427014, 474460, 498183, 610020, 664244, 711690, 830305, 854028, 996366, 1067535, 1423380, 1494549, 1660610, 1992732, 2135070, 2490915, 2989098, 3321220, 4270140, 4981830, 5978196, 7472745, 9963660, 14945490, 29890980]

約数ペア:

[(1, 29890980), (2, 14945490), (3, 9963660), (4, 7472745), (5, 5978196), (6, 4981830), (7, 4270140), (9, 3321220), (10, 2989098), (12, 2490915), (14, 2135070), (15, 1992732), (18, 1660610), (20, 1494549), (21, 1423380), (28, 1067535), (30, 996366), (35, 854028), (36, 830305), (42, 711690), (45, 664244), (49, 610020), (60, 498183), (63, 474460), (70, 427014), (84, 355845), (90, 332122), (98, 305010), (105, 284676), (126, 237230), (140, 213507), (147, 203340), (180, 166061), (196, 152505), (210, 142338), (245, 122004), (252, 118615), (294, 101670), (315, 94892), (420, 71169), (441, 67780), (490, 61002), (588, 50835), (630, 47446), (735, 40668), (882, 33890), (980, 30501), (1260, 23723), (1470, 20334), (1764, 16945), (2205, 13556), (2940, 10167), (3389, 8820), (4410, 6778)]