99150400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2052

約数の個数: 84

約数和(自身を含む): 251968000

約数和(自身を除く): 152817600

約数列:

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

約数ペア:

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