9490780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 21690144

約数和(自身を除く): 12199364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 211, 260, 346, 422, 692, 844, 865, 1055, 1730, 2110, 2249, 2743, 3460, 4220, 4498, 5486, 8996, 10972, 11245, 13715, 22490, 27430, 36503, 44980, 54860, 73006, 146012, 182515, 365030, 474539, 730060, 949078, 1898156, 2372695, 4745390, 9490780]

約数ペア:

[(1, 9490780), (2, 4745390), (4, 2372695), (5, 1898156), (10, 949078), (13, 730060), (20, 474539), (26, 365030), (52, 182515), (65, 146012), (130, 73006), (173, 54860), (211, 44980), (260, 36503), (346, 27430), (422, 22490), (692, 13715), (844, 11245), (865, 10972), (1055, 8996), (1730, 5486), (2110, 4498), (2249, 4220), (2743, 3460)]