187378940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2787

約数の個数: 72

約数和(自身を含む): 464359392

約数和(自身を除く): 276980452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 2693, 3479, 4970, 5386, 6958, 9940, 10772, 13465, 13916, 17395, 18851, 26930, 34790, 37702, 53860, 69580, 75404, 94255, 131957, 188510, 191203, 263914, 377020, 382406, 527828, 659785, 764812, 956015, 1319570, 1338421, 1912030, 2639140, 2676842, 3824060, 5353684, 6692105, 9368947, 13384210, 18737894, 26768420, 37475788, 46844735, 93689470, 187378940]

約数ペア:

[(1, 187378940), (2, 93689470), (4, 46844735), (5, 37475788), (7, 26768420), (10, 18737894), (14, 13384210), (20, 9368947), (28, 6692105), (35, 5353684), (49, 3824060), (70, 2676842), (71, 2639140), (98, 1912030), (140, 1338421), (142, 1319570), (196, 956015), (245, 764812), (284, 659785), (355, 527828), (490, 382406), (497, 377020), (710, 263914), (980, 191203), (994, 188510), (1420, 131957), (1988, 94255), (2485, 75404), (2693, 69580), (3479, 53860), (4970, 37702), (5386, 34790), (6958, 26930), (9940, 18851), (10772, 17395), (13465, 13916)]