42780220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 109226880

約数和(自身を除く): 66446660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 58, 70, 82, 116, 140, 145, 164, 203, 205, 257, 287, 290, 406, 410, 514, 574, 580, 812, 820, 1015, 1028, 1148, 1189, 1285, 1435, 1799, 2030, 2378, 2570, 2870, 3598, 4060, 4756, 5140, 5740, 5945, 7196, 7453, 8323, 8995, 10537, 11890, 14906, 16646, 17990, 21074, 23780, 29812, 33292, 35980, 37265, 41615, 42148, 52171, 52685, 73759, 74530, 83230, 104342, 105370, 147518, 149060, 166460, 208684, 210740, 260855, 295036, 305573, 368795, 521710, 611146, 737590, 1043420, 1222292, 1475180, 1527865, 2139011, 3055730, 4278022, 6111460, 8556044, 10695055, 21390110, 42780220]

約数ペア:

[(1, 42780220), (2, 21390110), (4, 10695055), (5, 8556044), (7, 6111460), (10, 4278022), (14, 3055730), (20, 2139011), (28, 1527865), (29, 1475180), (35, 1222292), (41, 1043420), (58, 737590), (70, 611146), (82, 521710), (116, 368795), (140, 305573), (145, 295036), (164, 260855), (203, 210740), (205, 208684), (257, 166460), (287, 149060), (290, 147518), (406, 105370), (410, 104342), (514, 83230), (574, 74530), (580, 73759), (812, 52685), (820, 52171), (1015, 42148), (1028, 41615), (1148, 37265), (1189, 35980), (1285, 33292), (1435, 29812), (1799, 23780), (2030, 21074), (2378, 17990), (2570, 16646), (2870, 14906), (3598, 11890), (4060, 10537), (4756, 8995), (5140, 8323), (5740, 7453), (5945, 7196)]