890384459540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{8301179}}^1$

素因数の和:8301392

約数の個数: 48

約数和(自身を含む): 1941280750080

約数和(自身を除く): 1050896290540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1730, 3460, 5363, 10726, 21452, 26815, 53630, 107260, 8301179, 16602358, 33204716, 41505895, 83011790, 166023580, 257336549, 514673098, 1029346196, 1286682745, 1436103967, 2573365490, 2872207934, 5146730980, 5744415868, 7180519835, 14361039670, 28722079340, 44519222977, 89038445954, 178076891908, 222596114885, 445192229770, 890384459540]

約数ペア:

[(1, 890384459540), (2, 445192229770), (4, 222596114885), (5, 178076891908), (10, 89038445954), (20, 44519222977), (31, 28722079340), (62, 14361039670), (124, 7180519835), (155, 5744415868), (173, 5146730980), (310, 2872207934), (346, 2573365490), (620, 1436103967), (692, 1286682745), (865, 1029346196), (1730, 514673098), (3460, 257336549), (5363, 166023580), (10726, 83011790), (21452, 41505895), (26815, 33204716), (53630, 16602358), (107260, 8301179)]