320366916

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 821620800

約数和(自身を除く): 501253884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 199, 227, 394, 398, 454, 591, 597, 681, 788, 796, 908, 1182, 1194, 1362, 1773, 1791, 2043, 2364, 2388, 2724, 3546, 3582, 4086, 7092, 7164, 8172, 39203, 44719, 45173, 78406, 89438, 90346, 117609, 134157, 135519, 156812, 178876, 180692, 235218, 268314, 271038, 352827, 402471, 406557, 470436, 536628, 542076, 705654, 804942, 813114, 1411308, 1609884, 1626228, 8899081, 17798162, 26697243, 35596324, 53394486, 80091729, 106788972, 160183458, 320366916]

約数ペア:

[(1, 320366916), (2, 160183458), (3, 106788972), (4, 80091729), (6, 53394486), (9, 35596324), (12, 26697243), (18, 17798162), (36, 8899081), (197, 1626228), (199, 1609884), (227, 1411308), (394, 813114), (398, 804942), (454, 705654), (591, 542076), (597, 536628), (681, 470436), (788, 406557), (796, 402471), (908, 352827), (1182, 271038), (1194, 268314), (1362, 235218), (1773, 180692), (1791, 178876), (2043, 156812), (2364, 135519), (2388, 134157), (2724, 117609), (3546, 90346), (3582, 89438), (4086, 78406), (7092, 45173), (7164, 44719), (8172, 39203)]