1521997000

素因数分解:

$2^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{13469}}^1$

素因数の和:13603

約数の個数: 64

約数和(自身を含む): 3593257200

約数和(自身を除く): 2071260200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 200, 226, 250, 452, 500, 565, 904, 1000, 1130, 2260, 2825, 4520, 5650, 11300, 13469, 14125, 22600, 26938, 28250, 53876, 56500, 67345, 107752, 113000, 134690, 269380, 336725, 538760, 673450, 1346900, 1521997, 1683625, 2693800, 3043994, 3367250, 6087988, 6734500, 7609985, 12175976, 13469000, 15219970, 30439940, 38049925, 60879880, 76099850, 152199700, 190249625, 304399400, 380499250, 760998500, 1521997000]

約数ペア:

[(1, 1521997000), (2, 760998500), (4, 380499250), (5, 304399400), (8, 190249625), (10, 152199700), (20, 76099850), (25, 60879880), (40, 38049925), (50, 30439940), (100, 15219970), (113, 13469000), (125, 12175976), (200, 7609985), (226, 6734500), (250, 6087988), (452, 3367250), (500, 3043994), (565, 2693800), (904, 1683625), (1000, 1521997), (1130, 1346900), (2260, 673450), (2825, 538760), (4520, 336725), (5650, 269380), (11300, 134690), (13469, 113000), (14125, 107752), (22600, 67345), (26938, 56500), (28250, 53876)]