129241300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 288731520

約数和(自身を除く): 159490220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 109, 142, 167, 218, 284, 334, 355, 436, 545, 668, 710, 835, 1090, 1420, 1670, 1775, 2180, 2725, 3340, 3550, 4175, 5450, 7100, 7739, 8350, 10900, 11857, 15478, 16700, 18203, 23714, 30956, 36406, 38695, 47428, 59285, 72812, 77390, 91015, 118570, 154780, 182030, 193475, 237140, 296425, 364060, 386950, 455075, 592850, 773900, 910150, 1185700, 1292413, 1820300, 2584826, 5169652, 6462065, 12924130, 25848260, 32310325, 64620650, 129241300]

約数ペア:

[(1, 129241300), (2, 64620650), (4, 32310325), (5, 25848260), (10, 12924130), (20, 6462065), (25, 5169652), (50, 2584826), (71, 1820300), (100, 1292413), (109, 1185700), (142, 910150), (167, 773900), (218, 592850), (284, 455075), (334, 386950), (355, 364060), (436, 296425), (545, 237140), (668, 193475), (710, 182030), (835, 154780), (1090, 118570), (1420, 91015), (1670, 77390), (1775, 72812), (2180, 59285), (2725, 47428), (3340, 38695), (3550, 36406), (4175, 30956), (5450, 23714), (7100, 18203), (7739, 16700), (8350, 15478), (10900, 11857)]