349335280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20123}}^1$

素因数の和:20174

約数の個数: 80

約数和(自身を含む): 958224384

約数和(自身を除く): 608889104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 20123, 40246, 80492, 100615, 140861, 160984, 201230, 281722, 321968, 402460, 563444, 623813, 704305, 804920, 1126888, 1247626, 1408610, 1609840, 2253776, 2495252, 2817220, 3119065, 4366691, 4990504, 5634440, 6238130, 8733382, 9981008, 11268880, 12476260, 17466764, 21833455, 24952520, 34933528, 43666910, 49905040, 69867056, 87333820, 174667640, 349335280]

約数ペア:

[(1, 349335280), (2, 174667640), (4, 87333820), (5, 69867056), (7, 49905040), (8, 43666910), (10, 34933528), (14, 24952520), (16, 21833455), (20, 17466764), (28, 12476260), (31, 11268880), (35, 9981008), (40, 8733382), (56, 6238130), (62, 5634440), (70, 4990504), (80, 4366691), (112, 3119065), (124, 2817220), (140, 2495252), (155, 2253776), (217, 1609840), (248, 1408610), (280, 1247626), (310, 1126888), (434, 804920), (496, 704305), (560, 623813), (620, 563444), (868, 402460), (1085, 321968), (1240, 281722), (1736, 201230), (2170, 160984), (2480, 140861), (3472, 100615), (4340, 80492), (8680, 40246), (17360, 20123)]