1749020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 4671072

約数和(自身を除く): 2922052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 961, 1085, 1612, 1820, 1922, 2015, 2170, 2821, 3844, 4030, 4340, 4805, 5642, 6727, 8060, 9610, 11284, 12493, 13454, 14105, 19220, 24986, 26908, 28210, 33635, 49972, 56420, 62465, 67270, 87451, 124930, 134540, 174902, 249860, 349804, 437255, 874510, 1749020]

約数ペア:

[(1, 1749020), (2, 874510), (4, 437255), (5, 349804), (7, 249860), (10, 174902), (13, 134540), (14, 124930), (20, 87451), (26, 67270), (28, 62465), (31, 56420), (35, 49972), (52, 33635), (62, 28210), (65, 26908), (70, 24986), (91, 19220), (124, 14105), (130, 13454), (140, 12493), (155, 11284), (182, 9610), (217, 8060), (260, 6727), (310, 5642), (364, 4805), (403, 4340), (434, 4030), (455, 3844), (620, 2821), (806, 2170), (868, 2015), (910, 1922), (961, 1820), (1085, 1612)]