155557220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:829

約数の個数: 96

約数和(自身を含む): 405823488

約数和(自身を除く): 250266268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 364, 455, 508, 635, 673, 889, 910, 1270, 1346, 1651, 1778, 1820, 2540, 2692, 3302, 3365, 3556, 4445, 4711, 6604, 6730, 8255, 8749, 8890, 9422, 11557, 13460, 16510, 17498, 17780, 18844, 23114, 23555, 33020, 34996, 43745, 46228, 47110, 57785, 61243, 85471, 87490, 94220, 115570, 122486, 170942, 174980, 231140, 244972, 306215, 341884, 427355, 598297, 612430, 854710, 1111123, 1196594, 1224860, 1709420, 2222246, 2393188, 2991485, 4444492, 5555615, 5982970, 7777861, 11111230, 11965940, 15555722, 22222460, 31111444, 38889305, 77778610, 155557220]

約数ペア:

[(1, 155557220), (2, 77778610), (4, 38889305), (5, 31111444), (7, 22222460), (10, 15555722), (13, 11965940), (14, 11111230), (20, 7777861), (26, 5982970), (28, 5555615), (35, 4444492), (52, 2991485), (65, 2393188), (70, 2222246), (91, 1709420), (127, 1224860), (130, 1196594), (140, 1111123), (182, 854710), (254, 612430), (260, 598297), (364, 427355), (455, 341884), (508, 306215), (635, 244972), (673, 231140), (889, 174980), (910, 170942), (1270, 122486), (1346, 115570), (1651, 94220), (1778, 87490), (1820, 85471), (2540, 61243), (2692, 57785), (3302, 47110), (3365, 46228), (3556, 43745), (4445, 34996), (4711, 33020), (6604, 23555), (6730, 23114), (8255, 18844), (8749, 17780), (8890, 17498), (9422, 16510), (11557, 13460)]