198300800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 96

約数和(自身を含む): 505920000

約数和(自身を除く): 307619200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1550, 1600, 1984, 1999, 2480, 3100, 3200, 3968, 3998, 4960, 6200, 7996, 9920, 9995, 12400, 15992, 19840, 19990, 24800, 31984, 39980, 49600, 49975, 61969, 63968, 79960, 99200, 99950, 123938, 127936, 159920, 199900, 247876, 255872, 309845, 319840, 399800, 495752, 619690, 639680, 799600, 991504, 1239380, 1279360, 1549225, 1599200, 1983008, 2478760, 3098450, 3198400, 3966016, 4957520, 6196900, 6396800, 7932032, 9915040, 12393800, 19830080, 24787600, 39660160, 49575200, 99150400, 198300800]

約数ペア:

[(1, 198300800), (2, 99150400), (4, 49575200), (5, 39660160), (8, 24787600), (10, 19830080), (16, 12393800), (20, 9915040), (25, 7932032), (31, 6396800), (32, 6196900), (40, 4957520), (50, 3966016), (62, 3198400), (64, 3098450), (80, 2478760), (100, 1983008), (124, 1599200), (128, 1549225), (155, 1279360), (160, 1239380), (200, 991504), (248, 799600), (310, 639680), (320, 619690), (400, 495752), (496, 399800), (620, 319840), (640, 309845), (775, 255872), (800, 247876), (992, 199900), (1240, 159920), (1550, 127936), (1600, 123938), (1984, 99950), (1999, 99200), (2480, 79960), (3100, 63968), (3200, 61969), (3968, 49975), (3998, 49600), (4960, 39980), (6200, 31984), (7996, 24800), (9920, 19990), (9995, 19840), (12400, 15992)]