204520030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 470292480

約数和(自身を除く): 265772450

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 47, 55, 65, 85, 94, 110, 130, 143, 170, 179, 187, 221, 235, 286, 358, 374, 442, 470, 517, 611, 715, 799, 895, 935, 1034, 1105, 1222, 1430, 1598, 1790, 1870, 1969, 2210, 2327, 2431, 2585, 3043, 3055, 3938, 3995, 4654, 4862, 5170, 6086, 6110, 6721, 7990, 8413, 8789, 9845, 10387, 11635, 12155, 13442, 15215, 16826, 17578, 19690, 20774, 23270, 24310, 25597, 30430, 33473, 33605, 39559, 42065, 43945, 51194, 51935, 66946, 67210, 79118, 84130, 87890, 92543, 103870, 109369, 114257, 127985, 143021, 167365, 185086, 197795, 218738, 228514, 255970, 286042, 334730, 395590, 435149, 462715, 546845, 571285, 715105, 870298, 925430, 1093690, 1142570, 1203059, 1430210, 1573231, 1859273, 2175745, 2406118, 3146462, 3718546, 4351490, 6015295, 7866155, 9296365, 12030590, 15732310, 18592730, 20452003, 40904006, 102260015, 204520030]

約数ペア:

[(1, 204520030), (2, 102260015), (5, 40904006), (10, 20452003), (11, 18592730), (13, 15732310), (17, 12030590), (22, 9296365), (26, 7866155), (34, 6015295), (47, 4351490), (55, 3718546), (65, 3146462), (85, 2406118), (94, 2175745), (110, 1859273), (130, 1573231), (143, 1430210), (170, 1203059), (179, 1142570), (187, 1093690), (221, 925430), (235, 870298), (286, 715105), (358, 571285), (374, 546845), (442, 462715), (470, 435149), (517, 395590), (611, 334730), (715, 286042), (799, 255970), (895, 228514), (935, 218738), (1034, 197795), (1105, 185086), (1222, 167365), (1430, 143021), (1598, 127985), (1790, 114257), (1870, 109369), (1969, 103870), (2210, 92543), (2327, 87890), (2431, 84130), (2585, 79118), (3043, 67210), (3055, 66946), (3938, 51935), (3995, 51194), (4654, 43945), (4862, 42065), (5170, 39559), (6086, 33605), (6110, 33473), (6721, 30430), (7990, 25597), (8413, 24310), (8789, 23270), (9845, 20774), (10387, 19690), (11635, 17578), (12155, 16826), (13442, 15215)]