4490860

素因数分解:

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

素因数の和:306

約数の個数: 48

約数和(自身を含む): 10432800

約数和(自身を除く): 5941940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 149, 220, 274, 298, 548, 596, 685, 745, 1370, 1490, 1507, 1639, 2740, 2980, 3014, 3278, 6028, 6556, 7535, 8195, 15070, 16390, 20413, 30140, 32780, 40826, 81652, 102065, 204130, 224543, 408260, 449086, 898172, 1122715, 2245430, 4490860]

約数ペア:

[(1, 4490860), (2, 2245430), (4, 1122715), (5, 898172), (10, 449086), (11, 408260), (20, 224543), (22, 204130), (44, 102065), (55, 81652), (110, 40826), (137, 32780), (149, 30140), (220, 20413), (274, 16390), (298, 15070), (548, 8195), (596, 7535), (685, 6556), (745, 6028), (1370, 3278), (1490, 3014), (1507, 2980), (1639, 2740)]