720590988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{355321}}^1$

素因数の和:355354

約数の個数: 36

約数和(自身を含む): 1820669928

約数和(自身を除く): 1100078940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 355321, 710642, 1065963, 1421284, 2131926, 4263852, 4619173, 9238346, 13857519, 18476692, 27715038, 55430076, 60049249, 120098498, 180147747, 240196996, 360295494, 720590988]

約数ペア:

[(1, 720590988), (2, 360295494), (3, 240196996), (4, 180147747), (6, 120098498), (12, 60049249), (13, 55430076), (26, 27715038), (39, 18476692), (52, 13857519), (78, 9238346), (156, 4619173), (169, 4263852), (338, 2131926), (507, 1421284), (676, 1065963), (1014, 710642), (2028, 355321)]