84037940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2957}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 212443560

約数和(自身を除く): 128405620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 2957, 4060, 5684, 5914, 7105, 11828, 14210, 14785, 20699, 28420, 29570, 41398, 59140, 82796, 85753, 103495, 144893, 171506, 206990, 289786, 343012, 413980, 428765, 579572, 600271, 724465, 857530, 1200542, 1448930, 1715060, 2401084, 2897860, 3001355, 4201897, 6002710, 8403794, 12005420, 16807588, 21009485, 42018970, 84037940]

約数ペア:

[(1, 84037940), (2, 42018970), (4, 21009485), (5, 16807588), (7, 12005420), (10, 8403794), (14, 6002710), (20, 4201897), (28, 3001355), (29, 2897860), (35, 2401084), (49, 1715060), (58, 1448930), (70, 1200542), (98, 857530), (116, 724465), (140, 600271), (145, 579572), (196, 428765), (203, 413980), (245, 343012), (290, 289786), (406, 206990), (490, 171506), (580, 144893), (812, 103495), (980, 85753), (1015, 82796), (1421, 59140), (2030, 41398), (2842, 29570), (2957, 28420), (4060, 20699), (5684, 14785), (5914, 14210), (7105, 11828)]