28171430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 60739200

約数和(自身を除く): 32567770

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 73, 74, 146, 149, 185, 259, 298, 365, 370, 511, 518, 730, 745, 1022, 1043, 1295, 1490, 2086, 2555, 2590, 2701, 5110, 5215, 5402, 5513, 10430, 10877, 11026, 13505, 18907, 21754, 27010, 27565, 37814, 38591, 54385, 55130, 76139, 77182, 94535, 108770, 152278, 189070, 192955, 380695, 385910, 402449, 761390, 804898, 2012245, 2817143, 4024490, 5634286, 14085715, 28171430]

約数ペア:

[(1, 28171430), (2, 14085715), (5, 5634286), (7, 4024490), (10, 2817143), (14, 2012245), (35, 804898), (37, 761390), (70, 402449), (73, 385910), (74, 380695), (146, 192955), (149, 189070), (185, 152278), (259, 108770), (298, 94535), (365, 77182), (370, 76139), (511, 55130), (518, 54385), (730, 38591), (745, 37814), (1022, 27565), (1043, 27010), (1295, 21754), (1490, 18907), (2086, 13505), (2555, 11026), (2590, 10877), (2701, 10430), (5110, 5513), (5215, 5402)]