198408680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3019}}^1$

素因数の和:3114

約数の個数: 64

約数和(自身を含む): 469670400

約数和(自身を除く): 271261720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 3019, 3286, 6038, 6572, 8215, 12076, 13144, 15095, 16430, 24152, 30190, 32860, 60380, 65720, 93589, 120760, 160007, 187178, 320014, 374356, 467945, 640028, 748712, 800035, 935890, 1280056, 1600070, 1871780, 3200140, 3743560, 4960217, 6400280, 9920434, 19840868, 24801085, 39681736, 49602170, 99204340, 198408680]

約数ペア:

[(1, 198408680), (2, 99204340), (4, 49602170), (5, 39681736), (8, 24801085), (10, 19840868), (20, 9920434), (31, 6400280), (40, 4960217), (53, 3743560), (62, 3200140), (106, 1871780), (124, 1600070), (155, 1280056), (212, 935890), (248, 800035), (265, 748712), (310, 640028), (424, 467945), (530, 374356), (620, 320014), (1060, 187178), (1240, 160007), (1643, 120760), (2120, 93589), (3019, 65720), (3286, 60380), (6038, 32860), (6572, 30190), (8215, 24152), (12076, 16430), (13144, 15095)]