109984280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12671}}^1$

素因数の和:12720

約数の個数: 64

約数和(自身を含む): 291962880

約数和(自身を除く): 181978600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 12671, 25342, 50684, 63355, 88697, 101368, 126710, 177394, 253420, 354788, 392801, 443485, 506840, 709576, 785602, 886970, 1571204, 1773940, 1964005, 2749607, 3142408, 3547880, 3928010, 5499214, 7856020, 10998428, 13748035, 15712040, 21996856, 27496070, 54992140, 109984280]

約数ペア:

[(1, 109984280), (2, 54992140), (4, 27496070), (5, 21996856), (7, 15712040), (8, 13748035), (10, 10998428), (14, 7856020), (20, 5499214), (28, 3928010), (31, 3547880), (35, 3142408), (40, 2749607), (56, 1964005), (62, 1773940), (70, 1571204), (124, 886970), (140, 785602), (155, 709576), (217, 506840), (248, 443485), (280, 392801), (310, 354788), (434, 253420), (620, 177394), (868, 126710), (1085, 101368), (1240, 88697), (1736, 63355), (2170, 50684), (4340, 25342), (8680, 12671)]