17963440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 46202400

約数和(自身を除く): 28238960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 149, 176, 220, 274, 298, 440, 548, 596, 685, 745, 880, 1096, 1192, 1370, 1490, 1507, 1639, 2192, 2384, 2740, 2980, 3014, 3278, 5480, 5960, 6028, 6556, 7535, 8195, 10960, 11920, 12056, 13112, 15070, 16390, 20413, 24112, 26224, 30140, 32780, 40826, 60280, 65560, 81652, 102065, 120560, 131120, 163304, 204130, 224543, 326608, 408260, 449086, 816520, 898172, 1122715, 1633040, 1796344, 2245430, 3592688, 4490860, 8981720, 17963440]

約数ペア:

[(1, 17963440), (2, 8981720), (4, 4490860), (5, 3592688), (8, 2245430), (10, 1796344), (11, 1633040), (16, 1122715), (20, 898172), (22, 816520), (40, 449086), (44, 408260), (55, 326608), (80, 224543), (88, 204130), (110, 163304), (137, 131120), (149, 120560), (176, 102065), (220, 81652), (274, 65560), (298, 60280), (440, 40826), (548, 32780), (596, 30140), (685, 26224), (745, 24112), (880, 20413), (1096, 16390), (1192, 15070), (1370, 13112), (1490, 12056), (1507, 11920), (1639, 10960), (2192, 8195), (2384, 7535), (2740, 6556), (2980, 6028), (3014, 5960), (3278, 5480)]