278344340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 628798464

約数和(自身を除く): 350454124

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 53, 74, 94, 106, 148, 151, 185, 188, 212, 235, 265, 302, 370, 470, 530, 604, 740, 755, 940, 1060, 1510, 1739, 1961, 2491, 3020, 3478, 3922, 4982, 5587, 6956, 7097, 7844, 8003, 8695, 9805, 9964, 11174, 12455, 14194, 16006, 17390, 19610, 22348, 24910, 27935, 28388, 32012, 34780, 35485, 39220, 40015, 49820, 55870, 70970, 80030, 92167, 111740, 141940, 160060, 184334, 262589, 296111, 368668, 376141, 460835, 525178, 592222, 752282, 921670, 1050356, 1184444, 1312945, 1480555, 1504564, 1843340, 1880705, 2625890, 2961110, 3761410, 5251780, 5922220, 7522820, 13917217, 27834434, 55668868, 69586085, 139172170, 278344340]

約数ペア:

[(1, 278344340), (2, 139172170), (4, 69586085), (5, 55668868), (10, 27834434), (20, 13917217), (37, 7522820), (47, 5922220), (53, 5251780), (74, 3761410), (94, 2961110), (106, 2625890), (148, 1880705), (151, 1843340), (185, 1504564), (188, 1480555), (212, 1312945), (235, 1184444), (265, 1050356), (302, 921670), (370, 752282), (470, 592222), (530, 525178), (604, 460835), (740, 376141), (755, 368668), (940, 296111), (1060, 262589), (1510, 184334), (1739, 160060), (1961, 141940), (2491, 111740), (3020, 92167), (3478, 80030), (3922, 70970), (4982, 55870), (5587, 49820), (6956, 40015), (7097, 39220), (7844, 35485), (8003, 34780), (8695, 32012), (9805, 28388), (9964, 27935), (11174, 24910), (12455, 22348), (14194, 19610), (16006, 17390)]