68975140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4349}}^1$

素因数の和:4432

約数の個数: 48

約数和(自身を含む): 158583600

約数和(自身を除く): 89608460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 4349, 7930, 8698, 15860, 17396, 21745, 43490, 56537, 86980, 113074, 226148, 265289, 282685, 530578, 565370, 1061156, 1130740, 1326445, 2652890, 3448757, 5305780, 6897514, 13795028, 17243785, 34487570, 68975140]

約数ペア:

[(1, 68975140), (2, 34487570), (4, 17243785), (5, 13795028), (10, 6897514), (13, 5305780), (20, 3448757), (26, 2652890), (52, 1326445), (61, 1130740), (65, 1061156), (122, 565370), (130, 530578), (244, 282685), (260, 265289), (305, 226148), (610, 113074), (793, 86980), (1220, 56537), (1586, 43490), (3172, 21745), (3965, 17396), (4349, 15860), (7930, 8698)]