2743780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 6343344

約数和(自身を除く): 3599564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 173, 244, 260, 305, 346, 610, 692, 793, 865, 1220, 1586, 1730, 2249, 3172, 3460, 3965, 4498, 7930, 8996, 10553, 11245, 15860, 21106, 22490, 42212, 44980, 52765, 105530, 137189, 211060, 274378, 548756, 685945, 1371890, 2743780]

約数ペア:

[(1, 2743780), (2, 1371890), (4, 685945), (5, 548756), (10, 274378), (13, 211060), (20, 137189), (26, 105530), (52, 52765), (61, 44980), (65, 42212), (122, 22490), (130, 21106), (173, 15860), (244, 11245), (260, 10553), (305, 8996), (346, 7930), (610, 4498), (692, 3965), (793, 3460), (865, 3172), (1220, 2249), (1586, 1730)]