1246156990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^2$

素因数の和:446

約数の個数: 72

約数和(自身を含む): 2569781160

約数和(自身を除く): 1323624170

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 197, 247, 338, 394, 494, 845, 985, 1235, 1690, 1970, 2470, 2561, 3211, 3743, 5122, 6422, 7486, 12805, 16055, 18715, 25610, 32110, 33293, 37430, 38809, 48659, 66586, 77618, 97318, 166465, 194045, 243295, 332930, 388090, 486590, 504517, 632567, 737371, 1009034, 1265134, 1474742, 2522585, 3162835, 3686855, 5045170, 6325670, 6558721, 7373710, 9585823, 13117442, 19171646, 32793605, 47929115, 65587210, 95858230, 124615699, 249231398, 623078495, 1246156990]

約数ペア:

[(1, 1246156990), (2, 623078495), (5, 249231398), (10, 124615699), (13, 95858230), (19, 65587210), (26, 47929115), (38, 32793605), (65, 19171646), (95, 13117442), (130, 9585823), (169, 7373710), (190, 6558721), (197, 6325670), (247, 5045170), (338, 3686855), (394, 3162835), (494, 2522585), (845, 1474742), (985, 1265134), (1235, 1009034), (1690, 737371), (1970, 632567), (2470, 504517), (2561, 486590), (3211, 388090), (3743, 332930), (5122, 243295), (6422, 194045), (7486, 166465), (12805, 97318), (16055, 77618), (18715, 66586), (25610, 48659), (32110, 38809), (33293, 37430)]