78272020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 178774344

約数和(自身を除く): 100502324

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 293, 361, 370, 380, 586, 703, 722, 740, 1172, 1406, 1444, 1465, 1805, 2812, 2930, 3515, 3610, 5567, 5860, 7030, 7220, 10841, 11134, 13357, 14060, 21682, 22268, 26714, 27835, 43364, 53428, 54205, 55670, 66785, 105773, 108410, 111340, 133570, 205979, 211546, 216820, 267140, 411958, 423092, 528865, 823916, 1029895, 1057730, 2059790, 2115460, 3913601, 4119580, 7827202, 15654404, 19568005, 39136010, 78272020]

約数ペア:

[(1, 78272020), (2, 39136010), (4, 19568005), (5, 15654404), (10, 7827202), (19, 4119580), (20, 3913601), (37, 2115460), (38, 2059790), (74, 1057730), (76, 1029895), (95, 823916), (148, 528865), (185, 423092), (190, 411958), (293, 267140), (361, 216820), (370, 211546), (380, 205979), (586, 133570), (703, 111340), (722, 108410), (740, 105773), (1172, 66785), (1406, 55670), (1444, 54205), (1465, 53428), (1805, 43364), (2812, 27835), (2930, 26714), (3515, 22268), (3610, 21682), (5567, 14060), (5860, 13357), (7030, 11134), (7220, 10841)]