2978698940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{53593}}^1$

素因数の和:54006

約数の個数: 48

約数和(自身を含む): 7167018432

約数和(自身を除く): 4188319492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 5558, 7940, 11116, 13895, 27790, 53593, 55580, 107186, 214372, 267965, 375151, 535930, 750302, 1071860, 1500604, 1875755, 3751510, 7503020, 21276421, 42552842, 85105684, 106382105, 148934947, 212764210, 297869894, 425528420, 595739788, 744674735, 1489349470, 2978698940]

約数ペア:

[(1, 2978698940), (2, 1489349470), (4, 744674735), (5, 595739788), (7, 425528420), (10, 297869894), (14, 212764210), (20, 148934947), (28, 106382105), (35, 85105684), (70, 42552842), (140, 21276421), (397, 7503020), (794, 3751510), (1588, 1875755), (1985, 1500604), (2779, 1071860), (3970, 750302), (5558, 535930), (7940, 375151), (11116, 267965), (13895, 214372), (27790, 107186), (53593, 55580)]