1377366980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1951}}^1\times {\mathrm{3209}}^1$

素因数の和:5180

約数の個数: 48

約数和(自身を含む): 3158023680

約数和(自身を除く): 1780656700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1951, 3209, 3902, 6418, 7804, 9755, 12836, 16045, 19510, 21461, 32090, 35299, 39020, 42922, 64180, 70598, 85844, 107305, 141196, 176495, 214610, 352990, 429220, 705980, 6260759, 12521518, 25043036, 31303795, 62607590, 68868349, 125215180, 137736698, 275473396, 344341745, 688683490, 1377366980]

約数ペア:

[(1, 1377366980), (2, 688683490), (4, 344341745), (5, 275473396), (10, 137736698), (11, 125215180), (20, 68868349), (22, 62607590), (44, 31303795), (55, 25043036), (110, 12521518), (220, 6260759), (1951, 705980), (3209, 429220), (3902, 352990), (6418, 214610), (7804, 176495), (9755, 141196), (12836, 107305), (16045, 85844), (19510, 70598), (21461, 64180), (32090, 42922), (35299, 39020)]