211394490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{907}}^1$

素因数の和:1391

約数の個数: 64

約数和(自身を含む): 538959744

約数和(自身を除く): 327565254

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 457, 510, 907, 914, 1371, 1814, 2285, 2721, 2742, 4535, 4570, 5442, 6855, 7769, 9070, 13605, 13710, 15419, 15538, 23307, 27210, 30838, 38845, 46257, 46614, 77095, 77690, 92514, 116535, 154190, 231285, 233070, 414499, 462570, 828998, 1243497, 2072495, 2486994, 4144990, 6217485, 7046483, 12434970, 14092966, 21139449, 35232415, 42278898, 70464830, 105697245, 211394490]

約数ペア:

[(1, 211394490), (2, 105697245), (3, 70464830), (5, 42278898), (6, 35232415), (10, 21139449), (15, 14092966), (17, 12434970), (30, 7046483), (34, 6217485), (51, 4144990), (85, 2486994), (102, 2072495), (170, 1243497), (255, 828998), (457, 462570), (510, 414499), (907, 233070), (914, 231285), (1371, 154190), (1814, 116535), (2285, 92514), (2721, 77690), (2742, 77095), (4535, 46614), (4570, 46257), (5442, 38845), (6855, 30838), (7769, 27210), (9070, 23307), (13605, 15538), (13710, 15419)]