130987220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71971}}^1$

素因数の和:72000

約数の個数: 48

約数和(自身を含む): 338556288

約数和(自身を除く): 207569068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 71971, 143942, 287884, 359855, 503797, 719710, 935623, 1007594, 1439420, 1871246, 2015188, 2518985, 3742492, 4678115, 5037970, 6549361, 9356230, 10075940, 13098722, 18712460, 26197444, 32746805, 65493610, 130987220]

約数ペア:

[(1, 130987220), (2, 65493610), (4, 32746805), (5, 26197444), (7, 18712460), (10, 13098722), (13, 10075940), (14, 9356230), (20, 6549361), (26, 5037970), (28, 4678115), (35, 3742492), (52, 2518985), (65, 2015188), (70, 1871246), (91, 1439420), (130, 1007594), (140, 935623), (182, 719710), (260, 503797), (364, 359855), (455, 287884), (910, 143942), (1820, 71971)]