291286160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19471}}^1$

素因数の和:19512

約数の個数: 80

約数和(自身を含む): 782307072

約数和(自身を除く): 491020912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 19471, 38942, 77884, 97355, 155768, 194710, 214181, 311536, 331007, 389420, 428362, 662014, 778840, 856724, 1070905, 1324028, 1557680, 1655035, 1713448, 2141810, 2648056, 3310070, 3426896, 3641077, 4283620, 5296112, 6620140, 7282154, 8567240, 13240280, 14564308, 17134480, 18205385, 26480560, 29128616, 36410770, 58257232, 72821540, 145643080, 291286160]

約数ペア:

[(1, 291286160), (2, 145643080), (4, 72821540), (5, 58257232), (8, 36410770), (10, 29128616), (11, 26480560), (16, 18205385), (17, 17134480), (20, 14564308), (22, 13240280), (34, 8567240), (40, 7282154), (44, 6620140), (55, 5296112), (68, 4283620), (80, 3641077), (85, 3426896), (88, 3310070), (110, 2648056), (136, 2141810), (170, 1713448), (176, 1655035), (187, 1557680), (220, 1324028), (272, 1070905), (340, 856724), (374, 778840), (440, 662014), (680, 428362), (748, 389420), (880, 331007), (935, 311536), (1360, 214181), (1496, 194710), (1870, 155768), (2992, 97355), (3740, 77884), (7480, 38942), (14960, 19471)]