77400490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 160496640

約数和(自身を除く): 83096150

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 773, 1054, 1178, 1546, 1615, 2635, 2945, 3230, 3865, 5270, 5890, 7730, 10013, 13141, 14687, 20026, 23963, 26282, 29374, 47926, 50065, 65705, 73435, 100130, 119815, 131410, 146870, 239630, 249679, 407371, 455297, 499358, 814742, 910594, 1248395, 2036855, 2276485, 2496790, 4073710, 4552970, 7740049, 15480098, 38700245, 77400490]

約数ペア:

[(1, 77400490), (2, 38700245), (5, 15480098), (10, 7740049), (17, 4552970), (19, 4073710), (31, 2496790), (34, 2276485), (38, 2036855), (62, 1248395), (85, 910594), (95, 814742), (155, 499358), (170, 455297), (190, 407371), (310, 249679), (323, 239630), (527, 146870), (589, 131410), (646, 119815), (773, 100130), (1054, 73435), (1178, 65705), (1546, 50065), (1615, 47926), (2635, 29374), (2945, 26282), (3230, 23963), (3865, 20026), (5270, 14687), (5890, 13141), (7730, 10013)]