201728940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1051}}^1$

素因数の和:1527

約数の個数: 96

約数和(自身を含む): 647560704

約数和(自身を除く): 445831764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 457, 914, 1051, 1371, 1828, 2102, 2285, 2742, 3153, 3199, 4204, 4570, 5255, 5484, 6306, 6398, 6855, 7357, 9140, 9597, 10510, 12612, 12796, 13710, 14714, 15765, 15995, 19194, 21020, 22071, 27420, 29428, 31530, 31990, 36785, 38388, 44142, 47985, 63060, 63980, 73570, 88284, 95970, 110355, 147140, 191940, 220710, 441420, 480307, 960614, 1440921, 1921228, 2401535, 2881842, 3362149, 4803070, 5763684, 6724298, 7204605, 9606140, 10086447, 13448596, 14409210, 16810745, 20172894, 28818420, 33621490, 40345788, 50432235, 67242980, 100864470, 201728940]

約数ペア:

[(1, 201728940), (2, 100864470), (3, 67242980), (4, 50432235), (5, 40345788), (6, 33621490), (7, 28818420), (10, 20172894), (12, 16810745), (14, 14409210), (15, 13448596), (20, 10086447), (21, 9606140), (28, 7204605), (30, 6724298), (35, 5763684), (42, 4803070), (60, 3362149), (70, 2881842), (84, 2401535), (105, 1921228), (140, 1440921), (210, 960614), (420, 480307), (457, 441420), (914, 220710), (1051, 191940), (1371, 147140), (1828, 110355), (2102, 95970), (2285, 88284), (2742, 73570), (3153, 63980), (3199, 63060), (4204, 47985), (4570, 44142), (5255, 38388), (5484, 36785), (6306, 31990), (6398, 31530), (6855, 29428), (7357, 27420), (9140, 22071), (9597, 21020), (10510, 19194), (12612, 15995), (12796, 15765), (13710, 14714)]