77518910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 166440960

約数和(自身を除く): 88922050

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 139, 155, 217, 257, 278, 310, 434, 514, 695, 973, 1085, 1285, 1390, 1799, 1946, 2170, 2570, 3598, 4309, 4865, 7967, 8618, 8995, 9730, 15934, 17990, 21545, 30163, 35723, 39835, 43090, 55769, 60326, 71446, 79670, 111538, 150815, 178615, 250061, 278845, 301630, 357230, 500122, 557690, 1107413, 1250305, 2214826, 2500610, 5537065, 7751891, 11074130, 15503782, 38759455, 77518910]

約数ペア:

[(1, 77518910), (2, 38759455), (5, 15503782), (7, 11074130), (10, 7751891), (14, 5537065), (31, 2500610), (35, 2214826), (62, 1250305), (70, 1107413), (139, 557690), (155, 500122), (217, 357230), (257, 301630), (278, 278845), (310, 250061), (434, 178615), (514, 150815), (695, 111538), (973, 79670), (1085, 71446), (1285, 60326), (1390, 55769), (1799, 43090), (1946, 39835), (2170, 35723), (2570, 30163), (3598, 21545), (4309, 17990), (4865, 15934), (7967, 9730), (8618, 8995)]