210937890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 514926720

約数和(自身を除く): 303988830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 251, 257, 327, 502, 514, 545, 654, 753, 771, 1090, 1255, 1285, 1506, 1542, 1635, 2510, 2570, 3270, 3765, 3855, 7530, 7710, 27359, 28013, 54718, 56026, 64507, 82077, 84039, 129014, 136795, 140065, 164154, 168078, 193521, 273590, 280130, 322535, 387042, 410385, 420195, 645070, 820770, 840390, 967605, 1935210, 7031263, 14062526, 21093789, 35156315, 42187578, 70312630, 105468945, 210937890]

約数ペア:

[(1, 210937890), (2, 105468945), (3, 70312630), (5, 42187578), (6, 35156315), (10, 21093789), (15, 14062526), (30, 7031263), (109, 1935210), (218, 967605), (251, 840390), (257, 820770), (327, 645070), (502, 420195), (514, 410385), (545, 387042), (654, 322535), (753, 280130), (771, 273590), (1090, 193521), (1255, 168078), (1285, 164154), (1506, 140065), (1542, 136795), (1635, 129014), (2510, 84039), (2570, 82077), (3270, 64507), (3765, 56026), (3855, 54718), (7530, 28013), (7710, 27359)]