86727220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 187246080

約数和(自身を除く): 100518860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 257, 359, 470, 514, 718, 940, 1028, 1285, 1436, 1795, 2570, 3590, 5140, 7180, 12079, 16873, 24158, 33746, 48316, 60395, 67492, 84365, 92263, 120790, 168730, 184526, 241580, 337460, 369052, 461315, 922630, 1845260, 4336361, 8672722, 17345444, 21681805, 43363610, 86727220]

約数ペア:

[(1, 86727220), (2, 43363610), (4, 21681805), (5, 17345444), (10, 8672722), (20, 4336361), (47, 1845260), (94, 922630), (188, 461315), (235, 369052), (257, 337460), (359, 241580), (470, 184526), (514, 168730), (718, 120790), (940, 92263), (1028, 84365), (1285, 67492), (1436, 60395), (1795, 48316), (2570, 33746), (3590, 24158), (5140, 16873), (7180, 12079)]