226641940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^2$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 555278976

約数和(自身を除く): 328637036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 151, 284, 302, 355, 497, 604, 710, 755, 994, 1057, 1420, 1510, 1988, 2114, 2485, 3020, 4228, 4970, 5285, 9940, 10570, 10721, 21140, 21442, 22801, 42884, 45602, 53605, 75047, 91204, 107210, 114005, 150094, 159607, 214420, 228010, 300188, 319214, 375235, 456020, 638428, 750470, 798035, 1500940, 1596070, 1618871, 3192140, 3237742, 6475484, 8094355, 11332097, 16188710, 22664194, 32377420, 45328388, 56660485, 113320970, 226641940]

約数ペア:

[(1, 226641940), (2, 113320970), (4, 56660485), (5, 45328388), (7, 32377420), (10, 22664194), (14, 16188710), (20, 11332097), (28, 8094355), (35, 6475484), (70, 3237742), (71, 3192140), (140, 1618871), (142, 1596070), (151, 1500940), (284, 798035), (302, 750470), (355, 638428), (497, 456020), (604, 375235), (710, 319214), (755, 300188), (994, 228010), (1057, 214420), (1420, 159607), (1510, 150094), (1988, 114005), (2114, 107210), (2485, 91204), (3020, 75047), (4228, 53605), (4970, 45602), (5285, 42884), (9940, 22801), (10570, 21442), (10721, 21140)]