254893470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 704471040

約数和(自身を除く): 449577570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 31, 39, 58, 62, 65, 78, 87, 93, 130, 145, 155, 174, 186, 195, 290, 310, 377, 390, 403, 435, 465, 727, 754, 806, 870, 899, 930, 1131, 1209, 1454, 1798, 1885, 2015, 2181, 2262, 2418, 2697, 3635, 3770, 4030, 4362, 4495, 5394, 5655, 6045, 7270, 8990, 9451, 10905, 11310, 11687, 12090, 13485, 18902, 21083, 21810, 22537, 23374, 26970, 28353, 35061, 42166, 45074, 47255, 56706, 58435, 63249, 67611, 70122, 94510, 105415, 112685, 116870, 126498, 135222, 141765, 175305, 210830, 225370, 274079, 283530, 292981, 316245, 338055, 350610, 548158, 585962, 632490, 653573, 676110, 822237, 878943, 1307146, 1370395, 1464905, 1644474, 1757886, 1960719, 2740790, 2929810, 3267865, 3921438, 4111185, 4394715, 6535730, 8222370, 8496449, 8789430, 9803595, 16992898, 19607190, 25489347, 42482245, 50978694, 84964490, 127446735, 254893470]

約数ペア:

[(1, 254893470), (2, 127446735), (3, 84964490), (5, 50978694), (6, 42482245), (10, 25489347), (13, 19607190), (15, 16992898), (26, 9803595), (29, 8789430), (30, 8496449), (31, 8222370), (39, 6535730), (58, 4394715), (62, 4111185), (65, 3921438), (78, 3267865), (87, 2929810), (93, 2740790), (130, 1960719), (145, 1757886), (155, 1644474), (174, 1464905), (186, 1370395), (195, 1307146), (290, 878943), (310, 822237), (377, 676110), (390, 653573), (403, 632490), (435, 585962), (465, 548158), (727, 350610), (754, 338055), (806, 316245), (870, 292981), (899, 283530), (930, 274079), (1131, 225370), (1209, 210830), (1454, 175305), (1798, 141765), (1885, 135222), (2015, 126498), (2181, 116870), (2262, 112685), (2418, 105415), (2697, 94510), (3635, 70122), (3770, 67611), (4030, 63249), (4362, 58435), (4495, 56706), (5394, 47255), (5655, 45074), (6045, 42166), (7270, 35061), (8990, 28353), (9451, 26970), (10905, 23374), (11310, 22537), (11687, 21810), (12090, 21083), (13485, 18902)]