157198790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 339655680

約数和(自身を除く): 182456890

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 251, 322, 389, 502, 778, 805, 1255, 1610, 1757, 1945, 2510, 2723, 3514, 3890, 5446, 5773, 8785, 8947, 11546, 13615, 17570, 17894, 27230, 28865, 40411, 44735, 57730, 62629, 80822, 89470, 97639, 125258, 195278, 202055, 313145, 404110, 488195, 626290, 683473, 976390, 1366946, 2245697, 3417365, 4491394, 6834730, 11228485, 15719879, 22456970, 31439758, 78599395, 157198790]

約数ペア:

[(1, 157198790), (2, 78599395), (5, 31439758), (7, 22456970), (10, 15719879), (14, 11228485), (23, 6834730), (35, 4491394), (46, 3417365), (70, 2245697), (115, 1366946), (161, 976390), (230, 683473), (251, 626290), (322, 488195), (389, 404110), (502, 313145), (778, 202055), (805, 195278), (1255, 125258), (1610, 97639), (1757, 89470), (1945, 80822), (2510, 62629), (2723, 57730), (3514, 44735), (3890, 40411), (5446, 28865), (5773, 27230), (8785, 17894), (8947, 17570), (11546, 13615)]