216631100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 566630400

約数和(自身を除く): 349999300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 67, 70, 100, 124, 134, 140, 149, 155, 175, 217, 268, 298, 310, 335, 350, 434, 469, 596, 620, 670, 700, 745, 775, 868, 938, 1043, 1085, 1340, 1490, 1550, 1675, 1876, 2077, 2086, 2170, 2345, 2980, 3100, 3350, 3725, 4154, 4172, 4340, 4619, 4690, 5215, 5425, 6700, 7450, 8308, 9238, 9380, 9983, 10385, 10430, 10850, 11725, 14539, 14900, 18476, 19966, 20770, 20860, 21700, 23095, 23450, 26075, 29078, 32333, 39932, 41540, 46190, 46900, 49915, 51925, 52150, 58156, 64666, 69881, 72695, 92380, 99830, 103850, 104300, 115475, 129332, 139762, 145390, 161665, 199660, 207700, 230950, 249575, 279524, 290780, 309473, 323330, 349405, 363475, 461900, 499150, 618946, 646660, 698810, 726950, 808325, 998300, 1237892, 1397620, 1453900, 1547365, 1616650, 1747025, 2166311, 3094730, 3233300, 3494050, 4332622, 6189460, 6988100, 7736825, 8665244, 10831555, 15473650, 21663110, 30947300, 43326220, 54157775, 108315550, 216631100]

約数ペア:

[(1, 216631100), (2, 108315550), (4, 54157775), (5, 43326220), (7, 30947300), (10, 21663110), (14, 15473650), (20, 10831555), (25, 8665244), (28, 7736825), (31, 6988100), (35, 6189460), (50, 4332622), (62, 3494050), (67, 3233300), (70, 3094730), (100, 2166311), (124, 1747025), (134, 1616650), (140, 1547365), (149, 1453900), (155, 1397620), (175, 1237892), (217, 998300), (268, 808325), (298, 726950), (310, 698810), (335, 646660), (350, 618946), (434, 499150), (469, 461900), (596, 363475), (620, 349405), (670, 323330), (700, 309473), (745, 290780), (775, 279524), (868, 249575), (938, 230950), (1043, 207700), (1085, 199660), (1340, 161665), (1490, 145390), (1550, 139762), (1675, 129332), (1876, 115475), (2077, 104300), (2086, 103850), (2170, 99830), (2345, 92380), (2980, 72695), (3100, 69881), (3350, 64666), (3725, 58156), (4154, 52150), (4172, 51925), (4340, 49915), (4619, 46900), (4690, 46190), (5215, 41540), (5425, 39932), (6700, 32333), (7450, 29078), (8308, 26075), (9238, 23450), (9380, 23095), (9983, 21700), (10385, 20860), (10430, 20770), (10850, 19966), (11725, 18476), (14539, 14900)]