69788890100

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{313}}^1\times {\mathrm{13679}}^1$

素因数の和:14169

約数の個数: 72

約数和(自身を含む): 152868965760

約数和(自身を除く): 83080075660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 313, 326, 626, 652, 815, 1252, 1565, 1630, 3130, 3260, 4075, 6260, 7825, 8150, 13679, 15650, 16300, 27358, 31300, 51019, 54716, 68395, 102038, 136790, 204076, 255095, 273580, 341975, 510190, 683950, 1020380, 1275475, 1367900, 2229677, 2550950, 4281527, 4459354, 5101900, 8563054, 8918708, 11148385, 17126108, 21407635, 22296770, 42815270, 44593540, 55741925, 85630540, 107038175, 111483850, 214076350, 222967700, 428152700, 697888901, 1395777802, 2791555604, 3489444505, 6978889010, 13957778020, 17447222525, 34894445050, 69788890100]

約数ペア:

[(1, 69788890100), (2, 34894445050), (4, 17447222525), (5, 13957778020), (10, 6978889010), (20, 3489444505), (25, 2791555604), (50, 1395777802), (100, 697888901), (163, 428152700), (313, 222967700), (326, 214076350), (626, 111483850), (652, 107038175), (815, 85630540), (1252, 55741925), (1565, 44593540), (1630, 42815270), (3130, 22296770), (3260, 21407635), (4075, 17126108), (6260, 11148385), (7825, 8918708), (8150, 8563054), (13679, 5101900), (15650, 4459354), (16300, 4281527), (27358, 2550950), (31300, 2229677), (51019, 1367900), (54716, 1275475), (68395, 1020380), (102038, 683950), (136790, 510190), (204076, 341975), (255095, 273580)]