248889390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 630594720

約数和(自身を除く): 381705330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 89, 93, 97, 155, 178, 186, 194, 267, 291, 310, 445, 465, 485, 534, 582, 890, 930, 961, 970, 1335, 1455, 1922, 2670, 2759, 2883, 2910, 3007, 4805, 5518, 5766, 6014, 8277, 8633, 9021, 9610, 13795, 14415, 15035, 16554, 17266, 18042, 25899, 27590, 28830, 30070, 41385, 43165, 45105, 51798, 82770, 85529, 86330, 90210, 93217, 129495, 171058, 186434, 256587, 258990, 267623, 279651, 427645, 466085, 513174, 535246, 559302, 802869, 855290, 932170, 1282935, 1338115, 1398255, 1605738, 2565870, 2676230, 2796510, 4014345, 8028690, 8296313, 16592626, 24888939, 41481565, 49777878, 82963130, 124444695, 248889390]

約数ペア:

[(1, 248889390), (2, 124444695), (3, 82963130), (5, 49777878), (6, 41481565), (10, 24888939), (15, 16592626), (30, 8296313), (31, 8028690), (62, 4014345), (89, 2796510), (93, 2676230), (97, 2565870), (155, 1605738), (178, 1398255), (186, 1338115), (194, 1282935), (267, 932170), (291, 855290), (310, 802869), (445, 559302), (465, 535246), (485, 513174), (534, 466085), (582, 427645), (890, 279651), (930, 267623), (961, 258990), (970, 256587), (1335, 186434), (1455, 171058), (1922, 129495), (2670, 93217), (2759, 90210), (2883, 86330), (2910, 85529), (3007, 82770), (4805, 51798), (5518, 45105), (5766, 43165), (6014, 41385), (8277, 30070), (8633, 28830), (9021, 27590), (9610, 25899), (13795, 18042), (14415, 17266), (15035, 16554)]