100398400

素因数分解:

$2^6\times 5^2\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:632

約数の個数: 84

約数和(自身を含む): 249448320

約数和(自身を除く): 149049920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 131, 160, 200, 262, 320, 400, 479, 524, 655, 800, 958, 1048, 1310, 1600, 1916, 2096, 2395, 2620, 3275, 3832, 4192, 4790, 5240, 6550, 7664, 8384, 9580, 10480, 11975, 13100, 15328, 19160, 20960, 23950, 26200, 30656, 38320, 41920, 47900, 52400, 62749, 76640, 95800, 104800, 125498, 153280, 191600, 209600, 250996, 313745, 383200, 501992, 627490, 766400, 1003984, 1254980, 1568725, 2007968, 2509960, 3137450, 4015936, 5019920, 6274900, 10039840, 12549800, 20079680, 25099600, 50199200, 100398400]

約数ペア:

[(1, 100398400), (2, 50199200), (4, 25099600), (5, 20079680), (8, 12549800), (10, 10039840), (16, 6274900), (20, 5019920), (25, 4015936), (32, 3137450), (40, 2509960), (50, 2007968), (64, 1568725), (80, 1254980), (100, 1003984), (131, 766400), (160, 627490), (200, 501992), (262, 383200), (320, 313745), (400, 250996), (479, 209600), (524, 191600), (655, 153280), (800, 125498), (958, 104800), (1048, 95800), (1310, 76640), (1600, 62749), (1916, 52400), (2096, 47900), (2395, 41920), (2620, 38320), (3275, 30656), (3832, 26200), (4192, 23950), (4790, 20960), (5240, 19160), (6550, 15328), (7664, 13100), (8384, 11975), (9580, 10480)]