221603190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 551854080

約数和(自身を除く): 330250890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 239, 310, 465, 478, 717, 930, 997, 1195, 1434, 1994, 2390, 2991, 3585, 4985, 5982, 7170, 7409, 9970, 14818, 14955, 22227, 29910, 30907, 37045, 44454, 61814, 74090, 92721, 111135, 154535, 185442, 222270, 238283, 309070, 463605, 476566, 714849, 927210, 1191415, 1429698, 2382830, 3574245, 7148490, 7386773, 14773546, 22160319, 36933865, 44320638, 73867730, 110801595, 221603190]

約数ペア:

[(1, 221603190), (2, 110801595), (3, 73867730), (5, 44320638), (6, 36933865), (10, 22160319), (15, 14773546), (30, 7386773), (31, 7148490), (62, 3574245), (93, 2382830), (155, 1429698), (186, 1191415), (239, 927210), (310, 714849), (465, 476566), (478, 463605), (717, 309070), (930, 238283), (997, 222270), (1195, 185442), (1434, 154535), (1994, 111135), (2390, 92721), (2991, 74090), (3585, 61814), (4985, 44454), (5982, 37045), (7170, 30907), (7409, 29910), (9970, 22227), (14818, 14955)]