89893890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43427}}^1$

素因数の和:43463

約数の個数: 48

約数和(自身を含む): 243891648

約数和(自身を除く): 153997758

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 43427, 86854, 130281, 217135, 260562, 390843, 434270, 651405, 781686, 998821, 1302810, 1954215, 1997642, 2996463, 3908430, 4994105, 5992926, 8989389, 9988210, 14982315, 17978778, 29964630, 44946945, 89893890]

約数ペア:

[(1, 89893890), (2, 44946945), (3, 29964630), (5, 17978778), (6, 14982315), (9, 9988210), (10, 8989389), (15, 5992926), (18, 4994105), (23, 3908430), (30, 2996463), (45, 1997642), (46, 1954215), (69, 1302810), (90, 998821), (115, 781686), (138, 651405), (207, 434270), (230, 390843), (345, 260562), (414, 217135), (690, 130281), (1035, 86854), (2070, 43427)]