17980250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 36391680

約数和(自身を除く): 18411430

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 59, 106, 115, 118, 125, 230, 250, 265, 295, 530, 575, 590, 1150, 1219, 1325, 1357, 1475, 2438, 2650, 2714, 2875, 2950, 3127, 5750, 6095, 6254, 6625, 6785, 7375, 12190, 13250, 13570, 14750, 15635, 30475, 31270, 33925, 60950, 67850, 71921, 78175, 143842, 152375, 156350, 169625, 304750, 339250, 359605, 390875, 719210, 781750, 1798025, 3596050, 8990125, 17980250]

約数ペア:

[(1, 17980250), (2, 8990125), (5, 3596050), (10, 1798025), (23, 781750), (25, 719210), (46, 390875), (50, 359605), (53, 339250), (59, 304750), (106, 169625), (115, 156350), (118, 152375), (125, 143842), (230, 78175), (250, 71921), (265, 67850), (295, 60950), (530, 33925), (575, 31270), (590, 30475), (1150, 15635), (1219, 14750), (1325, 13570), (1357, 13250), (1475, 12190), (2438, 7375), (2650, 6785), (2714, 6625), (2875, 6254), (2950, 6095), (3127, 5750)]